борлуулах зорилгоор алтанд ашигласан trommel
Wuhai Mine. Luotuoshan coal mine flood Wikipedia. The Luotuoshan coal mine flood was an incident that began on Monday, March 1, 2010, when a large amount of water flooded the Luotuoshan coal mine near the city of Wuhai in the Inner Mongolia Autonomous Region of the People''''s Republic of total of 77 workers were underground when they broke into a large pool of Ordovician limestone water ...