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Tourists enjoy the view of tulips at Liujiaxia Town in Yongjing County, northwest China's Gansu Province, April 1, 2018. (Xinhua/Shi Youdong)

Tourists enjoy the view of tulips at Liujiaxia Town in Yongjing County, northwest China's Gansu Province, April 1, 2018. (Xinhua/Shi Youdong)