Tourists ride camels at Yueya Spring, a crescent-shaped lake surrounded by deserts, in Dunhuang, northwest China's Gansu province, Oct. 1, 2016. (Xinhua/Zhang Xiaoliang)
Tourists ride camels at Yueya Spring, a crescent-shaped lake surrounded by deserts, in Dunhuang, northwest China's Gansu province, Oct. 1, 2016. (Xinhua/Zhang Xiaoliang)