Residents are ferried by a boat in landslide-hit Zhouqu County, Gannan Tibetan Autonomous Prefecture in northwest China's Gansu Province, Aug. 16, 2010. Large-scaled ponding area still remained in the county although the flood has subsidised. (XinhuaNie Jianjiang)
 
Residents are ferried by a boat in landslide-hit Zhouqu County, Gannan Tibetan Autonomous Prefecture in northwest China's Gansu Province, Aug. 16, 2010. Large-scaled ponding area still remained in the county although the flood has subsidised. (Xinhua/Nie Jianjiang)

 
 Residents are ferried home by a boat in landslide-hit Zhouqu County, Gannan Tibetan Autonomous Prefecture in northwest China's Gansu Province, Aug. 16, 2010. Large-scaled ponding area still remained in the county although the flood has subsidised. (Xinhua/Nie Jianjiang)

Residents are ferried by a boat in landslide-hit Zhouqu County, Gannan Tibetan Autonomous Prefecture in northwest China's Gansu Province, Aug. 16, 2010. Large-scaled ponding area still remained in the county although the flood has subsidised. (Xinhua/Nie Jianjiang)