Nudity is the state of being in which a human is without clothing. While estimates vary, for the first 90,000 years of pre-history, anatomically modern humans were naked, having lost their body hair,
Naturists in a river, 2014
A necklace reconstructed from perforated sea snail shells from Upper Palaeolithic Europe, dated between 39,000 and 25,000 BCE. The practice of body adornment is associated with the emergence of behavioral modernity.
Scenes of herders, Fifth Dynasty (c. 2500–2300 BCE), Abusir necropolis, Egypt
Women dancers performed wearing only jewelry in Ancient Egypt – Thebes tomb c. 1400 BCE.
Indecent exposure is the deliberate public exposure by a person of a portion of their body in a manner contrary to local standards of appropriate behavior. Laws and social attitudes regarding indecent
Nudity
…of nudity not only in public but also in private based upon religious beliefs. Norms are codified to varying degrees by laws defining proper dress and indecent exposure. In general English usage, nude and naked are often synonyms for a human being unclothed, but take on many meanings in particular contexts. Nude derives…
Streaking is a type of indecent exposure.
Two men urinating in public, which is often perceived to be indecent exposure