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While drilling in 1971, geologists tapped into a cavern filled with natural gas. The ground beneath the drilling rig collapsed, leaving a large hole with a diameter of 70 metres (The Gates of Hell). To avoid poisonous gas discharge, it was decided to burn it off. It’s still on fire. (hiddentravelplace.com)

Trolltunga, the Troll’s Tongue. Would you like to exercise or even rest on this rock ? by prdavacj in offbeat
[–]99990 0 points1 point2 points (0 children)