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
Photo taken on May 10, 2019 shows flowers in Chongli District, Zhangjiakou City, north China's Hebei Province. (Xinhua/Xing Guangli)
Photo taken on May 10, 2019 shows flowers in Chongli District, Zhangjiakou City, north China's Hebei Province. (Xinhua/Xing Guangli)