Soldiers work at the quake area in Yushu County, northwest China's Qinghai Province, April 15, 2010. Joint efforts of the nationwide forces have been put into effect after a 7.1-magnitude earthquake hit Yushu early on Wednesday. [Xinhua]

Members of the medical team of Chongqing load the relief materials at the railway station in southwest China's Chongqing Municipality, April 15, 2010. Chongqing sent its first medical team of 179 members with 30 ambulances to the quake-hit Yushu county of Qinghai Province Thursday morning. [Xinhua]