Advertisement

The Deepest Hole Ever Dug Has Been Sealed Forever and You Won’t Believe Why

Advertisement

1

Macintosh HD:Users:brittanyloeffler:Downloads:Upwork:Largest Hole:Kola-Superdeep-Borehole-hatch-1024x576.jpg

The deepest hole known to man was dug on a peninsula in northwest Russia. For decades, scientists dug over 40,000 into the earth. It wasn’t until this event that they had to seal up the hole forever.

Advertisement

1 of 20

Advertisement