The Biggest Hole in the World

It’s a diamond mine in Mirna, Siberia. It measures 525 m deep and 1.25 km in diameter. The suction from the hole is so powerful that helicopters flying over it have crashed. Link via Absolute Moral Authority
The Biggest Hole in the WorldPosted by John Farrier in Travel & Places on August 18, 2008 at 10:55 pm
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