the bobsleigh and luge track used for the 1992 Winter Olympics has 80 km (50 mi) of ammonia refrigeration piping and 40 km (25 mi) of electrical conduit running though its Template:Convert/cum of concrete?
the J.W. Knapp Company Building, one of the finest intact examples of Streamline Moderne architecture in the Midwest, is faced with plates of enamel-covered concrete and prismatic glass-brick windows?
the Natchez Trace Parkway Bridge (pictured) is the first segmentally constructed concrete arch bridge in the United States?
the world's tallest concrete-faced rockfill dam is Shuibuya Dam on the Qingjiang River in China?
when completed in 1988, the 52-storey BankWest Tower in Perth, Western Australia (pictured) was the eighth tallest concrete skyscraper in the world?
using an orthotropic deck instead of a concrete deck reduced the mass of the Golden Gate Bridge by 11,160 metric tons?
the Frederick W. Panhorst Bridge (pictured), a concrete open-spandrel arch bridge in Russian Gulch State Park near Mendocino, California, replaced an earlier wooden trestle bridge in 1940?
the 20-room Garbutt House in Los Angeles, California was built with concrete walls and ceilings, steel-reinforced doors and no fireplaces due to the owner's intense fear of fire?
Court Avenue, Ohio, was the first street in the United States to be paved with concrete?
taxi driver David Wilkie was killed during the UK miners' strike in 1984, when two striking coal miners dropped a 46 lb concrete block on his taxicab, which was carrying a working miner?
lignosulfonates, wood pulp byproducts, are used to make concrete, tanned leather, and even artificial vanillin?
rainwater tanks may be made from polyethylene, concrete, or galvanised steel, but not from clear plastic, because it would allow in sunlight, leading to algal blooms?
in one of the first tests of Hajile, an experimental British World War II retrorocket system, a gigantic block of concrete was dropped through the roof of the workshop from 2000 ft?
a call of the Edwards's Fig-parrot (pictured) of Northeastern New Guinea has been likened to "coins dropping on concrete"?
Chicago's Fountain of Time by Lorado Taft is considered the earliest outdoor concrete sculpture?