ahlam1399
02-29-2016, 04:40 PM
Occurring over several days, the explosions are being blamed on a buildup of methane gas. When the first one shook the mine in the Komi republic in **rthwest Russia, 111 miners were underground.
أكثر... (http://www.npr.org/sections/thetwo-way/2016/02/29/468533153/36-people-died-in-coal-mine-explosion-and-fire-russia-says?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2016/02/29/468533153/36-people-died-in-coal-mine-explosion-and-fire-russia-says?utm_medium=RSS&utm_campaign=news)