Real Engineering on MSN
What lies beneath the cover hiding the world’s deepest hole
Beneath a simple metal cover in northern Russia lies the deepest hole ever drilled. The project pushed engineering to its ...
Deep in the Arctic Circle, in Russia, lies the deepest hole ever dug which was once called 'the entrance to hell'. The Kola Superdeep Borehole is the deepest manmade hole, and deepest artificial point ...
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