3月31日上午，国际旅游名城敦煌出现强沙尘暴天气，世界文化遗产莫高窟当日上午关门谢客。
The Mogao Grottoes in the city of Dunhuang is hit by a strong sandstorm on March 31, 2015. Because of the bad weather, the scenic spot was closed temporarily. [Photo: chinanews.com]