A survivor carrying goods evacuates the area past a huge rock lying on top of a car on a road near a mountain in the centre of earthquake-hit Beichuan county, Sichuan province, May 16, 2008.

A 6-year-old boy from a destroyed village waits to be evacuated in the back of a military truck in earthquake-hit Beichuan county, Sichuan province, May 16, 2008.

Liu Deyun, 56, is carried out by soldiers after being buried for 100 hours in a collapsed building at a chemical factory in the earthquake-hit Yinghua town of Deyang, Sichuan province, May 16, 2008.

A nurse and a soldier help a patient to cross a bridge in the city of Beichuan, about 150km (93 miles) north of Chengdu, in Sichuan province, May 16, 2008.

Soldiers wear facemasks in the rubble of a chemical factory in Shifang, Sichuan province May 16, 2008.

Volunteers carry a survivor from the ruins of a collapsed apartment block in the 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.

People's Liberation Army (PLA) soldiers carry a survivor from the ruins of a collapsed apartment block in the city of Beichuan, located around 150 km north of Chengdu, in Sichuan Province May 16, 2008.

An injured boy looks with a friend at photographs in a newspaper related to the earthquake at a centre for missing schoolchildren in the city of Mianyang, located around 100 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.

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.

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