With the first commercial flight touching down Monday, Daocheng Yading airport, the world's highest-altitude civilian airport at 4,411 meters (14,471 feet)above the sea level, in Daocheng of Garzi Tibetan Autonomous Prefecture, known as "the last Shangri-La'', in southwest China's Sichuan province Monday Sept. 16, 2013. (www.nbcnews.com) 更多...
