Army soldiers and officers dredge the river channel in landslide-hit Zhouqu County, Gannan Tibetan Autonomous Prefecture in northwest China's Gansu Province, Aug. 12, 2010. More than 1,000 armymen are working hard to dredge the blocked river channel around the rescue site, to avoid secondary disasters might be caused by the coming rainfall. [Xinhua]

Army soldiers and officers dredge the river channel in landslide-hit Zhouqu County, Gannan Tibetan Autonomous Prefecture in northwest China's Gansu Province, Aug. 12, 2010. More than 1,000 armymen are working hard to dredge the blocked river channel around the rescue site, to avoid secondary disasters might be caused by the coming rainfall. [Xinhua]