A man is trapped in the debris in the earthquake-hit Beichuan County, about 100 miles northeast of the epicenter of Wenchuan County, southwest China's Sichuan Province, Tuesday, May 13, 2008. The official death toll after Monday's powerful 7.9 magnitude earthquake rose Tuesday to nearly 12,000, and tens of thousands remained buried or missing.
Residents listen for sounds of life amongst the rubble of a collapsed building in Dujiangyan, southwestern China's Sichuan province, Tuesday, May 13, 2008.
A rescuer tries to help a stranded student out of the debris at Wudu Primary School at Hanwang town in Mianzhu city, in southwest China's Sichuan Province, Tuesday, May 13, 2008.
A Chinese woman mourns near two student's bodies pulled out of the rubble of a collapsed school in Juyuan, in southwestern China's Sichuan province, Tuesday, May 13, 2008.
A Chinese woman holding a child and an umbrella cries near the site of a collapsed school following Monday's 7.9 magnitude earthquake in Juyuan, in southwestern China's Sichuan province, Tuesday, May 13, 2008.
Local residents work to clear away debris from a collapsed building in Mianzhu city, in southwest China's Sichuan Province, Tuesday, May 13, 2008.
People walk on a bridge that collapsed following Monday's powerful 7.9 magnitude earthquake in Mianyang, in southwest China's Sichuan Province, Tuesday, May 13, 2008.
People try to find their property among the debris of collapsed buildings in Dujiangyan, in southwest China's Sichuan Province, on Monday, May 12, 2008. A major earthquake measuring 7.9 on the Richter scale jolted Wenchuan County of Sichuan Province on Monday, leading to the collapse of many buildings in the neighboring city of Dujiangyan.
Medical personnel give emergency treatment to an injured baby in Dujiangyan, a city in southwest China's Sichuan Province on Monday, May 12, 2008. A massive earthquake toppled buildings across a wide area of central China, killing more than 12,000 people, burying thousands, trapping hundreds of students under the rubble of schools and spilling ammonia from a chemical plant.
Rescuers try to save a wounded student at Juyuan Middle School in the Juyuan Township of Dujiangyan City, about 60 miles from the epicenter of an earthquake that struck southwest China's Sichuan province, on Monday May 12, 2008. Nearly 900 students were feared buried when a high school building collapsed in the quake.
Chinese women cry on a street after an earthquake hit Chengdu of southwest China's Sichuan province, Monday, May 12, 2008. Thousands of soldiers and police were dispatched to central China after the massive earthquake Monday.
People evacuate office buildings after an earthquake shook Beijing Monday, May 12, 2008. A 7.9-magnitude quake struck central China on Monday and was felt as far away as Thailand and Vietnam. Thousands of people evacuated buildings in Beijing, some 900 miles from the epicenter.
The debris of collapsed buildings in Dujiangyan City of southwest China's Sichuan Province seen Monday, May 12, 2008.
Residents run on a debris-covered road following an earthquake in Chengdu of southwest China's Sichuan province, Monday, May 12, 2008.
A crack on an apartment building is seen following a massive earthquake in Lanzhou in northwest China's Gansu province, Monday, May 12, 2008.
People rush to rescue students at Juyuan Middle School in Juyuan Township of Dujiangyan City, about 60 miles from the epicenter in Wenchuan County of southwest China's Sichuan province, on Monday May 12, 2008. Nearly 900 students here were feared buried when a high school building collapsed in the earthquake.
Rescuers search for students at Juyuan Middle School in Juyuan Township of Dujiangyan City, about 60 miles from the epicenter in Wenchuan County of southwest China's Sichuan province, on Monday May 12, 2008.
People look upwards after running out of high buildings in Nanjing, northwest China, after a powerful, magnitude 7.9 earthquake struck mountainous central China on Monday, May 12, 2008.
Nurses and residents set up a shelter for patients at a temporary aid post outside a hospital after an earthquake in southwest China's Sichuan province hit Monday, May 12, 2008. The massive earthquake toppled buildings across a wide area of central China, killing more than 12,000 people, burying tens of thousands, trapping hundreds of students under the rubble of schools and spilling ammonia from a chemical plant.
People take care of patients in a shelter outside a hospital after the earthquake in Dujiangyan, in southwest China's Sichuan province Monday, May 12, 2008.