Monday, May 16, 2011

Burning natural gas sinkhole

"Darvaza, Turkmenistan - 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 about 70 metres. To avoid poisonous gas discharge, it was decided to be burned off. Geologists had hoped the fire would use all the fuel in a matter of days, but the gas still burns 40 years later. Locals have dubbed the cavern 'The Door to Hell.'"


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