Miners help convey rescue materials to 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, January 20, 2013. Rescuers have been working for 42 hours until 1 pm on January 20, but they failed to find the trapped miners. (Xinhua/Yang Ying)
A miner binds a ventilating duct before conveying rescue materials to 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, January 20, 2013. Rescuers have been working for 42 hours until 1 pm on January 20, but they failed to find the trapped miners. (Xinhua/Yang Ying)
A miner helps convey rescue materials to 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, January 20, 2013. Rescuers have been working for 42 hours until 1 pm on January 20, but they failed to find the trapped miners. (Xinhua/Yang Ying)
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, January 20, 2013. Rescuers have been working for 42 hours until 1 pm on January 20, but they failed to find the trapped miners. (Xinhua/Yang Ying)