A miner prepares to participate in rescue operation outside the coalmine in which a coal and gas outburst has left two people dead at the Jinjia Coal Mine under the Panjiang Investment Holding Group in Liupanshui City, southwest China's Guizhou Province, Jan. 20, 2013. Rescuers have been working for 42 hours until 1 p.m. on Jan. 20, but they failed to find the trapped miners. (Xinhua/Yang Ying)