Photo taken on May 7, 2012 shows an explosion to clear the road on the Sichuan-Tibet Highway in Bomi County, southwest China's Tibet Autonomous Region, May 7, 2012. The Bomi section of the Sichuan-Tibet Highway collapsed on Monday and local soldiers are busy with clearing and maintaining the road. (Xinhua/Yang Zhaoquan) 

Photo taken on May 7, 2012 shows an explosion to clear the road on the Sichuan-Tibet Highway in Bomi County, southwest China's Tibet Autonomous Region, May 7, 2012. The Bomi section of the Sichuan-Tibet Highway collapsed on Monday and local soldiers are busy with clearing and maintaining the road. (Xinhua/Yang Zhaoquan)  
Photo taken on May 7, 2012 shows an explosion to clear the road on the Sichuan-Tibet Highway in Bomi County, southwest China's Tibet Autonomous Region, May 7, 2012. The Bomi section of the Sichuan-Tibet Highway collapsed on Monday and local soldiers are busy with clearing and maintaining the road. (Xinhua/Yang Zhaoquan)