Tourists visit Mingsha Mountain and Crescent Spring scenic area in Dunhuang City, northwest China's Gansu Province, June 29, 2019. (Photo: Xinhua)
Tourists visit Mingsha Mountain and Crescent Spring scenic area in Dunhuang City, northwest China's Gansu Province, June 29, 2019. (Photo: Xinhua)
Tourists visit Mingsha Mountain and Crescent Spring scenic area in Dunhuang City, northwest China's Gansu Province, June 29, 2019. (Photo: Xinhua)
Tourists visit Mingsha Mountain and Crescent Spring scenic area in Dunhuang City, northwest China's Gansu Province, June 29, 2019. (Photo: Xinhua)