coal mines
Two men died but miraculously more than 100 reach the surface safely.
The coal miners are in hospital after the explosion at Gramoteinskaya pit near town of Belovo in Kemerovo region.
Men reunited with their families after successful operation to free them after fears of gas leaks and more rock falls.
A methane explosion ripped through the pit in Kemerovo region - but 101 safely escaped to the surface.
As much as two billion tonnes can be extracted from open-cast site over the next 167 years with hopes it can transform rural region.
A methane explosion at Mine No. 7 in the Prokopyevsky district of Kemerovo region led to the deaths of four miners.
Total of 140,000 tonnes is on its way from Siberia thanks to cooperation between the two warring nations.
Anatoly Usoltsev, 55, vanished, but it took mining specialists from Kuzbass region to locate him.
Subsidence from old coal mine a possible cause of latest mystery hole.
Sent to Siberia
Born in Siberia
