Tourists are pictured at sunrise at the Mingsha Mountain and Crescent Spring Scenic Area in Dunhuang City, northwest China's Gansu Province, May 15, 2026. (Photo by Zhang Xiaoliang/Xinhua)

Tourists are pictured at sunrise at the Mingsha Mountain and Crescent Spring Scenic Area in Dunhuang City, northwest China's Gansu Province, May 15, 2026. (Photo by Zhang Xiaoliang/Xinhua)

Tourists are pictured at sunrise at the Mingsha Mountain and Crescent Spring Scenic Area in Dunhuang City, northwest China's Gansu Province, May 15, 2026. (Photo by Zhang Xiaoliang/Xinhua)