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A farmer checks the condition of dragon fruits in a greenhouse in Minqin County of Wuwei, northwest China's Gansu Province, Dec. 5, 2018. (Xinhua/Jiang Aiping)
A farmer checks the condition of dragon fruits in a greenhouse in Minqin County of Wuwei, northwest China's Gansu Province, Dec. 5, 2018. (Xinhua/Jiang Aiping)