Workers drain water from a barrier lake in Longchang Township, Kaili City, southwest China's Guizhou Province, Feb. 20, 2013. Five coal mine workers and their relatives, including two children, are believed to have been buried by a landslide which occurred around 11 a.m. here on Feb. 18. Rocks have blocked a nearby river with a rising water level, forming a barrier lake. The water level has decreased for 1.5 meters as of 5 p.m. Wednesday. [Xinhua]