An aerial view of Yingxiu, Wenchuan county, May 14, 2008, shows the township has been flattened.

An aerial view of Yingxiu, Wenchuan county, May 14, 2008, shows the township has been flattened.

Wenchuan County, epicenter of a 7.8-magnitude killer earthquake, is seen in the aerial view taken on May 14, 2008. The national death toll has climbed past 13,000 following the quake on Monday.

The farmhouses of Wenchuan County, epicenter of a 7.8-magnitude killer earthquake, is seen in the aerial view taken on May 14, 2008. The national death toll has climbed past 13,000 following the quake on Monday.

Soldiers arrive at Yingxiu township of Wenchuan County, the epicenter of Monday's deadly earthquake, Southwest China's Sichuan Province, May 14, 2008.  More than 200 soldiers had arrived by powerboat as of 12 am and another 400 were expect to arrive before it got dark.

Soldiers arrive at Yingxiu township of Wenchuan County, the epicenter of Monday's deadly earthquake, Southwest China's Sichuan Province, May 14, 2008. More than 200 soldiers had arrived by powerboat as of 12 am and another 400 were expect to arrive before it got dark.