Photo taken on April 14, 2010 shows the ruins of collapsed houses after an earthquake in Yushu County, northwest China's Qinghai Province. About 400 people have died and 10,000 others were injured after a 7.1-magnitude earthquake hit Yushu early on Wednesday. [Xinhua]

Photo taken on April 14, 2010 shows collapsed houses after an earthquake in Yushu County, northwest China's Qinghai Province. About 400 people have died and 10,000 others were injured after a 7.1-magnitude earthquake hit Yushu early on Wednesday. [Xinhua]