1.
Giovanni Paolo Panini
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Giovanni Paolo Panini or Pannini was a painter and architect, who worked in Rome and is mainly known as one of the vedutisti. As a painter, Panini is best known for his vistas of Rome, among his most famous works are his view of the interior of the Pantheon, and his vedute—paintings of picture galleries containing views of Rome. Most of his works, specially those of ruins, have a fanciful, in this they resemble the capricci of Marco Ricci. Panini also painted portraits, including one of Pope Benedict XIV, as a young man, Panini trained in his native town of Piacenza, under Giuseppe Natali and Andrea Galluzzi, and later the stage designer Francesco Galli-Bibiena. In 1711, he moved to Rome, where he studied drawing with Benedetto Luti, in Rome, Panini became famous as a decorator of palaces, including the Villa Patrizi, the Palazzo de Carolis, and the Seminario Romano. In 1719, Panini was admitted to the Congregazione dei Virtuosi al Pantheon and he taught in Rome at the Accademia di San Luca and the Académie de France, where he influenced Jean-Honoré Fragonard. In 1754, he served as the principal of the Accademia di San Luca, Panini died in Rome on 21 October 1765. Paninis studio included Hubert Robert and his son Francesco Panini, some British landscape painters, such as Marlow, Skelton and Wright of Derby, also imitated his capricci. In addition to being a painter and architect, Panini was a professor of perspective and his masterful use of perspective was later the inspiration for the creation of the Panini Projection, which is instrumental in rendering panoramic views. Death Leap of Marcus Arisi, Ferdinando, gian Paolo Panini e i fasti della Roma del 700. Arisi, Ferdinando, Giovanni Paolo Panini 1691-1765, Milano,1993, Horak, Marco, Quellopera prima di Panini gemella del dipinto esposto al Lombardi di Parma, in LUrtiga - Quaderni di cultura Piacentina, Piacenza, n. Horak, Marco, Lopera prima del Panini in una collezione privata, in Panorama Musei, anno XVIII, n.3, dicembre 2013 Horak, Marco, Panini al Fine Art Museum di San Francisco, in Panorama Musei, anno XXI, n
2.
Roman Empire
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Civil wars and executions continued, culminating in the victory of Octavian, Caesars adopted son, over Mark Antony and Cleopatra at the Battle of Actium in 31 BC and the annexation of Egypt. Octavians power was then unassailable and in 27 BC the Roman Senate formally granted him overarching power, the imperial period of Rome lasted approximately 1,500 years compared to the 500 years of the Republican era. The first two centuries of the empires existence were a period of unprecedented political stability and prosperity known as the Pax Romana, following Octavians victory, the size of the empire was dramatically increased. After the assassination of Caligula in 41, the senate briefly considered restoring the republic, under Claudius, the empire invaded Britannia, its first major expansion since Augustus. Vespasian emerged triumphant in 69, establishing the Flavian dynasty, before being succeeded by his son Titus and his short reign was followed by the long reign of his brother Domitian, who was eventually assassinated. The senate then appointed the first of the Five Good Emperors, the empire reached its greatest extent under Trajan, the second in this line. A period of increasing trouble and decline began with the reign of Commodus, Commodus assassination in 192 triggered the Year of the Five Emperors, of which Septimius Severus emerged victorious. The assassination of Alexander Severus in 235 led to the Crisis of the Third Century in which 26 men were declared emperor by the Roman Senate over a time span. It was not until the reign of Diocletian that the empire was fully stabilized with the introduction of the Tetrarchy, which saw four emperors rule the empire at once. This arrangement was unsuccessful, leading to a civil war that was finally ended by Constantine I. Constantine subsequently shifted the capital to Byzantium, which was renamed Constantinople in his honour and it remained the capital of the east until its demise. Constantine also adopted Christianity which later became the state religion of the empire. However, Augustulus was never recognized by his Eastern colleague, and separate rule in the Western part of the empire ceased to exist upon the death of Julius Nepos. The Eastern Roman Empire endured for another millennium, eventually falling to the Ottoman Turks in 1453, the Roman Empire was among the most powerful economic, cultural, political and military forces in the world of its time. It was one of the largest empires in world history, at its height under Trajan, it covered 5 million square kilometres. It held sway over an estimated 70 million people, at that time 21% of the entire population. Throughout the European medieval period, attempts were made to establish successors to the Roman Empire, including the Empire of Romania, a Crusader state. Rome had begun expanding shortly after the founding of the republic in the 6th century BC, then, it was an empire long before it had an emperor
3.
Western culture
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The term also applies beyond Europe, to countries and cultures whose histories are strongly connected to Europe by immigration, colonization, or influence. For example, Western Culture includes countries in the Americas and Australasia, whose language, before the Cold War era, the traditional Western viewpoint identified Western Civilization with the Western Christian countries and culture. Ancient Greece is considered the birthplace of Western culture, with the worlds first democratic system of government and major advances in philosophy, science, Greece was followed by Rome, which made key contributions in law, government, engineering and political organization. European culture developed with a range of philosophy, medieval scholasticism, and mysticism. Rational thinking developed through an age of change and formation, with the experiments of the Enlightenment. More often an ideology is what will be used to categorize it as a Western society. There is some disagreement about what nations should or should not be included in the category, many parts of the Eastern Roman Empire are considered Western today but were Eastern in the past. Since the context is highly biased and context-dependent, there is no agreed definition what the West is and it is difficult to determine which individuals fit into which category and the East–West contrast is sometimes criticized as relativistic and arbitrary. Globalism has spread Western ideas so widely that almost all cultures are, to some extent. Stereotyped views of the West have been labeled Occidentalism, paralleling Orientalism—the term for the 19th-century stereotyped views of the East, as Europe discovered the wider world, old concepts adapted. The area that had formerly considered the Orient became the Near East, as the interests of the European powers interfered with Meiji Japan and Qing China for the first time. Thus, the Sino-Japanese War in 1894–1895 occurred in the Far East, the Greeks contrasted themselves to their Eastern neighbors, such as the Trojans in Iliad, setting an example for later contrasts between east and west. In the Middle Ages, the Near East provided a contrast to the West, concepts of what is the West arose out of legacies of the Western Roman Empire and the Eastern Roman Empire. Later, ideas of the west were formed by the concepts of Latin Christendom, Western culture is neither homogeneous nor unchanging. As with all cultures, it has evolved and gradually changed over time. Nevertheless, it is possible to follow the evolution and history of the West, and appreciate its similarities and differences, its borrowings from, and contributions to, other cultures of humanity. Nevertheless, the Greeks felt they were the most civilized and saw themselves as something between the wild barbarians of most of Europe and the soft, slavish Middle-Easterners. In the meantime, however, Greece, under Alexander, had become a capital of the East, the Celts also created some significant literature in the ancient world whenever they were given the opportunity
4.
Renaissance
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The Renaissance was a period in European history, from the 14th to the 17th century, regarded as the cultural bridge between the Middle Ages and modern history. It started as a movement in Italy in the Late Medieval period and later spread to the rest of Europe. This new thinking became manifest in art, architecture, politics, science, Early examples were the development of perspective in oil painting and the recycled knowledge of how to make concrete. Although the invention of movable type sped the dissemination of ideas from the later 15th century. In politics, the Renaissance contributed to the development of the customs and conventions of diplomacy, the Renaissance began in Florence, in the 14th century. Other major centres were northern Italian city-states such as Venice, Genoa, Milan, Bologna, the word Renaissance, literally meaning Rebirth in French, first appeared in English in the 1830s. The word also occurs in Jules Michelets 1855 work, Histoire de France, the word Renaissance has also been extended to other historical and cultural movements, such as the Carolingian Renaissance and the Renaissance of the 12th century. The Renaissance was a movement that profoundly affected European intellectual life in the early modern period. Renaissance scholars employed the humanist method in study, and searched for realism, however, a subtle shift took place in the way that intellectuals approached religion that was reflected in many other areas of cultural life. In addition, many Greek Christian works, including the Greek New Testament, were back from Byzantium to Western Europe. Political philosophers, most famously Niccolò Machiavelli, sought to describe life as it really was. Others see more competition between artists and polymaths such as Brunelleschi, Ghiberti, Donatello, and Masaccio for artistic commissions as sparking the creativity of the Renaissance. Yet it remains much debated why the Renaissance began in Italy, accordingly, several theories have been put forward to explain its origins. During the Renaissance, money and art went hand in hand, Artists depended entirely on patrons while the patrons needed money to foster artistic talent. Wealth was brought to Italy in the 14th, 15th, and 16th centuries by expanding trade into Asia, silver mining in Tyrol increased the flow of money. Luxuries from the Eastern world, brought home during the Crusades, increased the prosperity of Genoa, unlike with Latin texts, which had been preserved and studied in Western Europe since late antiquity, the study of ancient Greek texts was very limited in medieval Western Europe. One of the greatest achievements of Renaissance scholars was to bring this entire class of Greek cultural works back into Western Europe for the first time since late antiquity, Arab logicians had inherited Greek ideas after they had invaded and conquered Egypt and the Levant. Their translations and commentaries on these ideas worked their way through the Arab West into Spain and Sicily and this work of translation from Islamic culture, though largely unplanned and disorganized, constituted one of the greatest transmissions of ideas in history
5.
Neoclassicism
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The main Neoclassical movement coincided with the 18th-century Age of Enlightenment, and continued into the early 19th century, laterally competing with Romanticism. In architecture, the style continued throughout the 19th, 20th, European Neoclassicism in the visual arts began c.1760 in opposition to the then-dominant Baroque and Rococo styles. Each neo-classicism selects some models among the range of classics that are available to it. They ignored both Archaic Greek art and the works of Late Antiquity, the Rococo art of ancient Palmyra came as a revelation, through engravings in Woods The Ruins of Palmyra. While the movement is described as the opposed counterpart of Romanticism. The case of the main champion of late Neoclassicism, Ingres, demonstrates this especially well. The revival can be traced to the establishment of formal archaeology, the writings of Johann Joachim Winckelmann were important in shaping this movement in both architecture and the visual arts. With the advent of the Grand Tour, a fad of collecting antiquities began that laid the foundations of many great collections spreading a Neoclassical revival throughout Europe, Neoclassicism in each art implies a particular canon of a classical model. In English, the term Neoclassicism is used primarily of the arts, the similar movement in English literature. This, which had been dominant for decades, was beginning to decline by the time Neoclassicism in the visual arts became fashionable. Though terms differ, the situation in French literature was similar, in music, the period saw the rise of classical music, and Neoclassicism is used of 20th-century developments. Ingress coronation portrait of Napoleon even borrowed from Late Antique consular diptychs and their Carolingian revival, much Neoclassical painting is more classicizing in subject matter than in anything else. A fierce, but often very badly informed, dispute raged for decades over the merits of Greek and Roman art, with Winckelmann. The work of artists, who could not easily be described as insipid, combined aspects of Romanticism with a generally Neoclassical style. Unlike Carstens unrealized schemes, the etchings of Giovanni Battista Piranesi were numerous and profitable and his main subject matter was the buildings and ruins of Rome, and he was more stimulated by the ancient than the modern. Neoclassicism in painting gained a new sense of direction with the success of Jacques-Louis Davids Oath of the Horatii at the Paris Salon of 1785. Despite its evocation of republican virtues, this was a commission by the royal government, David managed to combine an idealist style with drama and forcefulness. David rapidly became the leader of French art, and after the French Revolution became a politician with control of government patronage in art
6.
Society
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In the social sciences, a larger society often evinces stratification or dominance patterns in subgroups. A society can also consist of like-minded people governed by their own norms and values within a dominant and this is sometimes referred to as a subculture, a term used extensively within criminology. The term society came from the Latin word societas, which in turn was derived from the noun used to describe a bond or interaction between parties that are friendly, or at least civil. Without an article, the term can refer to the entirety of humanity, Society, in general, addresses the fact that an individual has rather limited means as an autonomous unit. Cultural relativism as an approach or ethic has largely replaced notions of primitive, better/worse. Societies may also be structured politically, in order of increasing size and complexity, there are bands, tribes, chiefdoms, and state societies. These structures may have varying degrees of power, depending on the cultural, geographical. Thus, an isolated society with the same level of technology. A society that is unable to offer a response to other societies it competes with will usually be subsumed into the culture of the competing society. Sociologist Peter L. Berger defines society as. a human product, and nothing but a human product, according to him, society was created by humans but this creation turns back and creates or molds humans every day. This is similar to the earlier developed by anthropologists Morton H. This system of classification contains four categories, Hunter-gatherer bands, tribal societies in which there are some limited instances of social rank and prestige. Civilizations, with complex social hierarchies and organized, institutional governments, in addition to this there are, Humanity, mankind, upon which rest all the elements of society, including societys beliefs. Virtual society, a society based on identity, which is evolving in the information age. Over time, some cultures have progressed toward more complex forms of organization and this cultural evolution has a profound effect on patterns of community. Hunter-gatherer tribes settled around seasonal food stocks to become agrarian villages, villages grew to become towns and cities. Cities turned into city-states and nation-states, many societies distribute largess at the behest of some individual or some larger group of people. This type of generosity can be seen in all cultures, typically
7.
Biodiversity
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Biodiversity, a contraction of biological diversity, generally refers to the variety and variability of life on Earth. One of the most widely used definitions defines it in terms of the variability within species and it is a measure of the variety of organisms present in different ecosystems. This can refer to genetic variation, ecosystem variation, or species variation within an area, biome, terrestrial biodiversity tends to be greater near the equator, which seems to be the result of the warm climate and high primary productivity. Biodiversity is not distributed evenly on Earth, and is richest in the tropics and these tropical forest ecosystems cover less than 10 per cent of earths surface, and contain about 90 percent of the worlds species. Marine biodiversity tends to be highest along coasts in the Western Pacific, there are latitudinal gradients in species diversity. Biodiversity generally tends to cluster in hotspots, and has been increasing through time, the number and variety of plants, animals and other organisms that exist is known as biodiversity. It is a component of nature and it ensures the survival of human species by providing food, fuel, shelter, medicines. The richness of biodiversity depends on the conditions and area of the region. All species of plants taken together are known as flora and about 300,000 species of plants are known to date, all species of animals taken together are known as fauna which includes birds, mammals, fish, reptiles, insects, crustaceans, molluscs, etc. Rapid environmental changes typically cause mass extinctions, more than 99 percent of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. Estimates on the number of Earths current species range from 10 million to 14 million, of which about 1.2 million have been documented and over 86 percent have not yet been described. More recently, in May 2016, scientists reported that 1 trillion species are estimated to be on Earth currently with only one-thousandth of one percent described, the total amount of related DNA base pairs on Earth is estimated at 5.0 x 1037 and weighs 50 billion tonnes. In comparison, the mass of the biosphere has been estimated to be as much as 4 TtC. In July 2016, scientists reported identifying a set of 355 genes from the Last Universal Common Ancestor of all living on Earth. The age of the Earth is about 4.54 billion years old, there are microbial mat fossils found in 3.48 billion-year-old sandstone discovered in Western Australia. Other early physical evidence of a substance is graphite in 3.7 billion-year-old meta-sedimentary rocks discovered in Western Greenland. More recently, in 2015, remains of life were found in 4.1 billion-year-old rocks in Western Australia. According to one of the researchers, If life arose relatively quickly on Earth, then it could be common in the universe
8.
Conservation-restoration of cultural heritage
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The conservation-restoration of cultural heritage focuses on protection and care of tangible cultural heritage, including artworks, architecture, archaeology, and museum collections. Conservation activities include preventive conservation, examination, documentation, research, treatment and this field is closely allied with conservation science, curators and registrars. Conservation of cultural heritage can be described as a type of ethical stewardship, Conservation of cultural heritage applies simple ethical guidelines, Minimal intervention, Appropriate materials and reversible methods, Full documentation of all work undertaken. Often there are compromises between preserving appearance, maintaining original design and material properties, and ability to reverse changes, reversibility is now emphasized so as to reduce problems with future treatment, investigation, and use. The care of cultural heritage has a history, one that was primarily aimed at fixing and mending objects for their continued use. Until the early 20th century, artists were normally the ones called upon to repair damaged artworks, louis Pasteur carried out scientific analysis on paint as well. The society was founded by William Morris and Philip Webb, both of whom were influenced by the writings of John Ruskin. He not only developed an approach to the care of objects in the collections. The early development of conservation of heritage in any area of the world is usually linked to the creation of positions for chemists within museums. Lauries interests were fostered by William Holman Hunt, the creation of this department moved the focus for the development of conservation theory and practice from Germany to Britain, and made the latter a prime force in this fledgling field. In the United States, the development of conservation of heritage can be traced to the Fogg Art Museum. Importantly he also brought onto the staff chemists. Rutherford John Gettens was the first of usch in the US to be employed by an art museum. He worked with George L. Stout, the founder and first editor of Technical Studies, Gettens and Stout co-authored Painting Materials, A Short Encyclopaedia in 1942, reprinted in 1966. This compendium is still cited regularly, only a few dates and descriptions in Gettens and Stouts book are now outdated. George T. Oliver, of Oliver Brothers Art Restoration and Art Conservation-Boston invented the vacuum hot table for relining paintings in 1920s, taylors prototype table, which he designed and constructed, is still in operation. Oliver Brothers is believed to be the first and the oldest continuously operating art restoration company in the United States, the focus of conservation development then accelerated in Britain and America, and it was in Britain that the first International Conservation Organisations developed. Art historians and theorists such as Cesare Brandi have also played a significant role in developing conservation science theory, in recent years ethical concerns have been at the forefront of developments in conservation
9.
3D scanner
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A 3D scanner is a device that analyses a real-world object or environment to collect data on its shape and possibly its appearance. The collected data can then be used to construct digital three-dimensional models, many different technologies can be used to build these 3D-scanning devices, each technology comes with its own limitations, advantages and costs. Many limitations in the kind of objects that can be digitised are still present, for example, optical technologies encounter many difficulties with shiny, for example, industrial computed tomography scanning can be used to construct digital 3D models, applying non-destructive testing. Collected 3D data is useful for a variety of applications. These devices are used extensively by the entertainment industry in the production of movies, the purpose of a 3D scanner is usually to create a point cloud of geometric samples on the surface of the subject. These points can then be used to extrapolate the shape of the subject, if colour information is collected at each point, then the colours on the surface of the subject can also be determined. 3D scanners share several traits with cameras, like most cameras, they have a cone-like field of view, and like cameras, they can only collect information about surfaces that are not obscured. While a camera collects colour information about surfaces within its field of view, the picture produced by a 3D scanner describes the distance to a surface at each point in the picture. This allows the three dimensional position of point in the picture to be identified. For most situations, a single scan will not produce a model of the subject. Multiple scans, even hundreds, from different directions are usually required to obtain information about all sides of the subject. These scans have to be brought into a reference system, a process that is usually called alignment or registration. This whole process, going from the range map to the whole model, is usually known as the 3D scanning pipeline. There are a variety of technologies for digitally acquiring the shape of a 3D object, a well established classification divides them into two types, contact and non-contact. Non-contact solutions can be divided into two main categories, active and passive. There are a variety of technologies that fall under each of these categories, where the object to be scanned is not flat or can not rest stably on a flat surface, it is supported and held firmly in place by a fixture. The scanner mechanism may have three different forms, A carriage system with rigid arms held tightly in perpendicular relationship and each axis gliding along a track, such systems work best with flat profile shapes or simple convex curved surfaces. An articulated arm with rigid bones and high precision angular sensors, the location of the end of the arm involves complex math calculating the wrist rotation angle and hinge angle of each joint
10.
Sannyasa
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Sannyasa is the life stage of renunciation within the Hindu philosophy of four age-based life stages known as ashramas, with the first three being Brahmacharya, Grihastha and Vanaprastha. Sannyasa has historically been a stage of renunciation, ahimsa peaceful and simple life, however, this has not always been the case. These warrior sanyasis played an important role in helping European colonial powers establish themselves in India, saṃnyāsa in Sanskrit means renunciation of the world and abandonment. It is a word of saṃ- which means together, all, ni- which means down and āsa from the root as. A literal translation of Sannyāsa is thus to put down everything, Sannyasa is sometimes spelled as Sanyasa. The term Saṃnyasa makes appearance in the Samhitas, Aranyakas and Brahmanas, the earliest layers of Vedic literature, but it is rare. The term Sannyasa evolves into a rite of renunciation in ancient Sutra texts, in Dravidian languages, sannyasi is pronounced as sanyasi and also sannasi in colloquial form. Sanyasis are also known as Bhiksu, Pravrajita/Pravrajitā, Yati, Sramana, jamison and Witzel state early Vedic texts make no mention of Sannyasa, or Ashrama system, unlike the concepts of Brahmacharin and Grihastha which they do mention. Instead, Rig Veda uses the term Antigriha in hymn 10.95.4, still part of extended family and it is in later Vedic era and over time, Sannyasa and other new concepts emerged, while older ideas evolved and expanded. The explicit use of the four stage Ashrama concept, appeared a few centuries later, however, early Vedic literature from 2nd millennium BC, mentions Muni, with characteristics that mirror those found in later Sannyasins and Sannyasinis. Rig Veda, for example, in Book 10 Chapter 136, mentions mendicants as those with Kesin, rigveda, however, refers to these people as Muni and Vati. The Munis, girdled with the wind, wear garments of soil hue, They, following the winds swift course and these Munis, their lifestyle and spiritual pursuit, likely influenced the Sannyasa concept, as well as the ideas behind the ancient concept of Brahmacharya. One class of Munis were associated with Rudra and this freedom has led to diversity and significant differences in the lifestyle and goals of those who adopt Sannyasa. There are, however, some common themes, a person in Sannyasa lives a simple life, typically detached, itinerant, drifting from place to place, with no material possessions or emotional attachments. They may have a stick, a book, a container or vessel for food and drink, often wearing yellow, saffron, orange. They may have hair and appear disheveled, and are usually vegetarians. Some minor Upanishads as well as monastic orders consider women, child, students, fallen men and others as not qualified for Sannyasa, the dress, the equipage and lifestyle varies between groups. For example, Sannyasa Upanishad in verses 2.23 to 2.29 and those who enter Sannyasa may choose whether they join a group
11.
Monument
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The term monument is often applied to buildings or structures that are considered examples of important architectural and/or cultural heritage. Monuments have been created for thousands of years, and they are often the most durable, in more recent times, monumental structures such as the Statue of Liberty and Eiffel Tower have become iconic emblems of modern nation-states. The term monumentality relates to the status and physical presence of a monument. Monuments are frequently used to improve the appearance of a city or location, planned cities such as Washington D. C. New Delhi and Brasília are often built around monuments, for example, the Washington Monuments location was conceived by LEnfant to help organize public space in the city, before it was designed or constructed. Older cities have monuments placed at locations that are important or are sometimes redesigned to focus on one. As Shelley suggested in his famous poem Ozymandias, the purpose of monuments is often to impress or awe. Structures created for purposes that have been made notable by their age. This can happen because of age and size, as in the case of the Great Wall of China. Monuments are also designed to convey historical or political information. They can be used to reinforce the primacy of political power. The social meanings of monuments are rarely fixed and certain and are contested by different social groups. This contention of meaning is a theme of modern post processual archaeological discourse. Until recently, it was customary for archaeologists to study large monuments, New ideas about what constitutes the archaeological record have revealed that certain legislative and theoretical approaches to the subject are too focused on earlier definitions of monuments. An example has been the United Kingdoms Scheduled Ancient Monument laws, recently, more and more monuments are being preserved digitally through organisations as CyArk. Cenotaphs and other memorials to commemorate the dead, usually war casualties, e. g. India Gate and Vimy Ridge Memorial, or disaster casualties, such as the Titanic Memorial, Belfast. Church monuments to commemorate the dead, located above or near their grave, often featuring an effigy, columns, often topped with a statue, e. g. Berlin Victory Column, Nelsons Column in London, and Trajans Column in Rome. Gravestones, small monuments to the deceased, placed at their gravesites, e. g. the tombs and vaults of veterans in Les Invalides, mausoleums and tombs to honor the dead, e. g. the Great Pyramid of Giza and Taj Mahal
12.
Film preservation
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In the widest sense, preservation nowadays assures that a movie will continue to exist in as close to its original form as possible. For many years the term preservation was synonymous with duplication of film, the goal of a preservationist was to create a durable copy without any significant loss of quality. In more modern terms, film preservation now includes the concepts of handling, duplication, storage, the archivist seeks to protect the film and share the content with the public. By the 1980s, it was becoming apparent that the collections of motion picture heritage were at risk of becoming lost, at that time, the best known solution was to duplicate the original film onto a more secure medium. 90 percent of all American silent films made before 1929 and 50 percent of American sound films made before 1950 are lost films, the great majority of films made in the silent era are now considered lost forever. Most films made on nitrate stock were not preserved, over the years, their negatives, many of them were recycled for their silver content, or destroyed in studio or vault fires. The largest cause, however, was intentional destruction, as film preservationist Robert A. Harris explains, Most of the early films did not survive because of wholesale junking by the studios. There was no thought of saving these films. They simply needed vault space and the materials were expensive to house, silent films had little or no commercial value after the advent of sound films in the 1930s, and as such, they were not kept. As a result, preserving the now rare silent films has been a priority amongst film historians. Because of the fragility of film stock, proper preservation of film usually involves storing the original negatives, the vast majority of films were not stored in this manner, which resulted in the widespread decay of film stocks. The problem of film decay is not limited to films made on cellulose nitrate, Film industry researchers and specialists have found that color films are also decaying at an increasingly rapid rate. A number of well-known films only exist as copies of original productions or exhibition elements because the originals have decomposed beyond use. Cellulose acetate film, which was the replacement for nitrate, has been found to suffer from vinegar syndrome. The film was paired together with a composed by Michael Gordon. The preservation of film usually refers to storage of the film in a climate-controlled vault. Film is best preserved by proper protection from external forces while in storage along with being under controlled temperatures, for most film materials, the Image Permanence Institute finds that storing film media in frozen temperatures, with RH between 30% and 50%, greatly extends its useful life. These measures inhibit deterioration better than any other methods and is a solution than replicating deteriorating films
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Cultural heritage travel guide from Wikivoyage
