Flak towers were large, anti-aircraft gun blockhouses used by the Luftwaffe to defend against Allied air raids during World War II. They were able to fire 8000 rounds per minute with a range of up to 14 km in a full 360-degree field of fire.
Diamond Light Source is a synchrotron facility located in Oxfordshire, United Kingdom. Its purpose is to produce intense beams of light whose special characteristics are useful in many areas of scientific research.
Stig Lindberg was a designer whose Pungo vases are quite beautiful.
Pruitt–Igoe was a large urban housing project first occupied in 1954 in St. Louis, Missouri. Living conditions in Pruitt–Igoe began to decline soon after its completion in 1956; by the late 1960s, the complex had become internationally infamous for its poverty, crime, and segregation. Its 33 buildings were torn down in the mid-1970s, and the project has become an icon of urban renewal and public-policy planning failure.
Sedan Crater is the result of the Sedan nuclear test. The radioactive fallout from the test contaminated more US residents than any other nuclear test, and the Sedan Crater is the largest man-made crater in the United States. It can be seen from earth orbit with the unaided eye.
Painting on feathers was a 19th-century seafaring tradition. They were painted on the long voyages to give to family as a keepsake.
London is a unique film work about a unique city written and directed by architect Patrick Keiller. It concerns a series of journeys made by an unseen narrator and his companion Robinson to discover the spirit of London during the period immediately before and after the 1992 General Election. There is a wealth of detail pertaining to literature, history, architecture and a variety of locales and a highly original style with ironic wit.
The London Necropolis railway station was a special railway station constructed by the London Necropolis Company for funeral trains, specifically to serve their Brookwood Cemetery. The station opened on 13 November 1854 just outside London's Waterloo station. Three-carriage trains took coffins and mourners from the station directly to platforms within the cemetery.
The largest mass movement of land mammals on the planet and one of the most breathtaking events in the animal kingdom, Serengeti's great migration involves millions of ungulates, most notably wildebeest, as they follow an annual circular route around the Serengeti ecosystem in an endless quest for fresh pastures and water.
Mata Hari was a Dutch exotic dancer and courtesan who was executed by firing squad for espionage during World War I.