Exhausted People's Liberation Army(PLA) soldiers sleep in the back of an army truck after looking for survivors in a collapsed apartment block in the city of Dujiangyan, located around 50 km (31 miles) north of Chengdu, in Sichuan province May 15, 2008. Transport planes dropped more aid for dazed survivors of 皇冠体育app's massive earthquake on Thursday. [Agencies]
