The US volunteers who called themselves as Kelsey (2nd L) and Mu Yongshi (3rd L) assist a doctor to treat an injured in the quake-hit Beichuan County in southwest China's Sichuan Province, on May 14, 2008. Some foreigners who work or study in Sichuan came to Beichuan to help the rescue and relief works in the devastated region. [Xinhua]