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| DERWEZE TURKMENISTAN |
The Derwez or Darvaza of Turkmenistan is a place of abundant
natural resources.It was in 1971 some of the Soviet geologists made an
expedition into deep surface of earth filled with usual gas.As the geologists
was digging the surface of the earth with a drilling rig entering into the deep surface of earth,
suddenly the drilling rig had collapsed.The geologists altogether made a70
meters (230 ft) large hole deep into the surface of earth.Due to drilling rig collapsed into a
rock, there was a release lethal gas
which endangered the lives of many.









