The first rescue team members run to Zham Town in Nyalam County, Southwest China's Tibet Autonomous Region, April 27, 2015. Rescuers on Monday made their way through a 37-km highway linking Nyalam County with Zham on the Nepal border, which was blocked by multiple landslides following Saturday's earthquake, and got to seriously damaged Zham late at night. (Xinhua/Chogo)

The first rescue team members arrive in Zham Town of Nyalam County, Southwest China's Tibet Autonomous Region, April 27, 2015. Rescuers on Monday made their way through a 37-km highway linking Nyalam County with Zham on the Nepal border, which was blocked by multiple landslides following Saturday's earthquake, and got to seriously damaged Zham late at night. (Xinhua/Chogo)

Photo taken on April 27, 2015 shows the border gate of Zham Town in Nyalam County, Southwest China's Tibet Autonomous Region. The first rescue team on Monday made their way through a 37-km highway linking Nyalam County with Zham on the Nepal border, which was blocked by multiple landslides following Saturday's earthquake, and got to seriously damaged Zham late at night. (Xinhua/Chogo)

Locals affected by Saturday's Nepal earthquake use a makeshift telecommunication facility to connect with their relatives, in Zham Town of Xigaze City, Southwest China's Tibet Autonomous Region, April 28, 2015. Zham Town, one of the most seriously quake-hit areas in Tibet, has felt more than 20 aftershocks, which have caused landslides and avalanches. (Xinhua/Chogo)

Photo taken on April 28, 2015 shows the damaged buildings affected by Saturday's earthquake in neighboring Nepal, in Zham Town of Xigaze City, Southwest China's Tibet Autonomous Region. Zham Town, one of the most seriously quake-hit areas in Tibet, has felt more than 20 aftershocks, which have caused landslides and avalanches. (Xinhua/Chogo)

Children affected by Saturday's Nepal earthquake lie in a tent in Zham Town of Xigaze City, Southwest China's Tibet Autonomous Region, April 28, 2015. Zham Town, one of the most seriously quake-hit areas in Tibet, has felt more than 20 aftershocks, which have caused landslides and avalanches.(Xinhua/Chogo)