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Artists perform the real-scene show "Dunhuang Celebration" in Dunhuang, northwest China's Gansu Province, April 21, 2019. With the Mingsha Mountain and Crescent Spring as the background, the show, composed of six scenes, tells a love story between a princess and a painter in Dunhuang to reflect the history and culture of Dunhuang along the ancient silk road. (Xinhua/Fan Peishen)