World's largest hole in the ground

Big hole in the ground
This diamond mine in eastern Siberia (Mirny, to be exact) is so deep that the surrounding "air zone... is closed for helicopters" after "a few accidents when they were 'sucked in' by downward air flow..."
You can find more pictures and details about the mine here

I found the little city next to the big hole...uhmm interesting.

We can now all marvel at the result of all their hard hard work.


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