Photo taken on May 18, 2013 shows the airport expressway above the Lhasa River. With a length of 37.8 kilometers, the road is the first expressway in Tibet. On July 17, 2011, then Chinese Vice President Xi Jinping attended the ceremony and inaugurated the expressway which links Lhasa's city center with Gonggar Airport. [Photo by Yang Jia/China.org.cn]