Chinese soldiers use a life detecting device to search for survivors in a building that partially collapsed after Sunday's mud slide swept into the town of Zhouqu in Gannan prefecture of northwestern China's Gansu province, Tuesday, Aug. 10, 2010. Rescuers in three countries across Asia struggled to reach survivors from flooding that has afflicted millions of people. (AP Photo/Ng Han Guan)

Photo by: Ng Han Guan

Chinese soldiers use a life detecting device to search for survivors in a building that partially collapsed after Sunday's mud slide swept into the town of Zhouqu in Gannan prefecture of northwestern China's Gansu province, Tuesday, Aug. 10, 2010. Rescuers in three countries across Asia struggled to reach survivors from flooding that has afflicted millions of people. (AP Photo/Ng Han Guan)