Portland stone
Videos
Portland stone is a limestone geological formation dating to the Tithonian age of the Late Jurassic that is quarried on the Isle of Portland in Dorset, England. The quarries are cut in beds of white-g
Portland stone quarry on the Isle of Portland
The Cenotaph, in Whitehall, London, is made from Portland stone
The tramway incline from the Admiralty Quarry seen from Castletown, Portland
Portland stone quarry on the Isle of Portland, Dorset.
The headquarters of the United Nations is on 17 to 18 acres of grounds in the Turtle Bay neighborhood of Midtown Manhattan in New York City, United States. It borders First Avenue to the west, 42nd St
Portland stone
…buildings in London such as St Paul's Cathedral and Buckingham Palace. Portland stone is also exported to many countries, being used for example at the United Nations headquarters in New York City. Portland stone formed in a marine environment, on the floor of a shallow, warm, sub-tropical sea probably near land (as evidenced by…
View of the complex from Long Island City in 2021; from left to right: the Secretariat, Conference, and General Assembly buildings
UN Secretary-General Dag Hammarskjöld in front of the General Assembly Building (1950s)
Flags of the member states, arranged in alphabetical order
The UN headquarters in 2024