JIUQUAN, June 10, 2016 (Xinhua) -- Tourists enjoy the camel safari at the Crescent Spring and Singing Sand Dune scenic area in Dunhuang, northwest China's Gansu Province, June 10, 2016. During the holiday of Duanwu Festival, or Dragon Boat Festival, many tourists came to visit desert scenery in Dunhuang. (Xinhua/Zhao Xiaoliang)
