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Architecture

Deepest Hole In The World - The Kola Superdeep Borehole

Published June 20, 2016
The Kola Superdeep Borehole in Russia is the world's deepest hole created by man.
Scientists drilled for 19 years and reached 12,262 m (40,230 ft) into Earth's crust, where the temperature is 180 ºC (356 ºF). The project was cancelled in 2005 and the drill site, 20 km (12 miles) from Norway, is now abandoned. The bottom photo shows - according to photographer - the actual borehole, which nowadays is welded shut.
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