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A farmer checks the condition of tea leaves at a tea garden in Liuzhi special region of Liupanshui City, southwest China's Guizhou Province, March 13, 2019. (Xinhua/Tao Liang)
A farmer checks the condition of tea leaves at a tea garden in Liuzhi special region of Liupanshui City, southwest China's Guizhou Province, March 13, 2019. (Xinhua/Tao Liang)