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Photo taken on April 18, 2019 shows the peach blossoms at the Mogao Grottoes, a world cultural heritage site, in Dunhuang, northwest China's Gansu Province. (Xinhua/Zhang Xiaoliang)
Photo taken on April 18, 2019 shows the peach blossoms at the Mogao Grottoes, a world cultural heritage site, in Dunhuang, northwest China's Gansu Province. (Xinhua/Zhang Xiaoliang)