Mirny Diamond Mine

The Mirny Diamond Mine, located in the city of Mirny, Russia, is the world’s largest mine as well as the world’s largest man-made hole. At a staggering 1,722 metres deep, there is a no-fly zone in the airspace above it because the suction it creates has caused too many helicopter crashes.

Largest man made hole in the world- Russia's Mirny Diamond Mine

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