People look on as mudslides and rockfalls, triggered by heavy rain, block a highway in Wenchuan county, the epicenter of the 2008 earthquake in Southwest China's Sichuan province, July 4, 2011. [Photo/Xinhua]
An ambulance is stranded in a mudslide, triggered by heavy rain, in Wenchuan county, the epicenter of the 2008 earthquake in Southwest China's Sichuan province, July 4, 2011. [Photo/Xinhua]