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World's deepest hole sealed up for concerning reason
The Kola Superdeep Borehole is the deepest manmade hole, and deepest artificial point, on Earth, measuring at 40,230ft feet. To put it into perspective, that's 12.2km, or 7.58 miles - that's the ...
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Here's Why Russia Sealed The World's Deepest Hole
T he Kola Superdeep Borehole holds the record for being the deepest artificial point on Earth, reaching almost 12,262 meters (40,230 ft) into the ground. In simple words, the depth of this hole is ...