Children pray for people in the Ludian earthquake-stricken area in Taiyuan, capital of Northern China's Shanxi province, Aug. 11, 2014. A 6.5-magnitude earthquake hit Ludian of southwest China's Yunnan Province on Aug. 3, which claimed at least 617 lives and injured thousands of others. [Photo by Fan Minda/Xinhua News]

Children pray for people in the Ludian earthquake-stricken area in Taiyuan, capital of Northern China's Shanxi province, Aug. 11, 2014. A 6.5-magnitude earthquake hit Ludian of southwest China's Yunnan Province on Aug. 3, which claimed at least 617 lives and injured thousands of others. [Photo by Fan Minda/Xinhua News]

Children pray for people in the Ludian earthquake-stricken area in Taiyuan, capital of Northern China's Shanxi province, Aug. 11, 2014. A 6.5-magnitude earthquake hit Ludian of southwest China's Yunnan Province on Aug. 3, which claimed at least 617 lives and injured thousands of others. [Photo by Fan Minda/Xinhua News]

A girl stands behind donated materials for children in the Ludian earthquake-stricken area as children pray for people in Ludian, in Taiyuan, capital of Northern China's Shanxi province, Aug. 11, 2014. A 6.5-magnitude earthquake hit Ludian of southwest China's Yunnan Province on Aug. 3, which claimed at least 617 lives and injured thousands of others. [Photo by Fan Minda/Xinhua News]