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/__opt__aboutcom__coeus__resources__content_migration__mnn__images__2014__05__hole-598f561d2aed4f3e81cae566036e3326.JPG?strip=all "The World S Deepest Hole Lies Hidden Beneath This Rusty Metal Cap")
The World S Deepest Hole Lies Hidden Beneath This Rusty Metal Cap
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Russia Tried To Dig A Hole Through The Earth S Crust In 1970 They Reached 40 318 Feet Deep Before Stopped It Is Still Deepest Humans Have Ever Dug
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