People's Liberation Army (PLA) soldiers take a break from trying to find survivors in the earthquake devastated city of Beichuan, located around 150 km north of Chengdu, in Sichuan Province May 16, 2008. China struggled to bury its dead and help tens of thousands of injured and homeless on Friday when a powerful aftershock brought new havoc four days after an earthquake thought to have killed more than 50,000. [Agencies]