Residents walk in a line at the mudslide-devastated town of Zhouqu in Gannan prefecture in northwestern China's Gansu province on Monday, Aug. 9, 2010. Rescuers dug through mud and wreckage Monday searching for 1,300 people missing after flash floods and landslides struck northwestern China. (AP Photo/Ng Han Guan)

Photo by: Ng Han Guan

Residents walk in a line at the mudslide-devastated town of Zhouqu in Gannan prefecture in northwestern China's Gansu province on Monday, Aug. 9, 2010. Rescuers dug through mud and wreckage Monday searching for 1,300 people missing after flash floods and landslides struck northwestern China. (AP Photo/Ng Han Guan)