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Farmers trim tea plum flowers at a greenhouse in Zaozhuang City, east China's Shandong Province, Jan. 20, 2018, also the Great Cold (Dahan) solar term on the Chinese Lunar Calendar. (Xinhua/Sun Zhongzhe)
Farmers trim tea plum flowers at a greenhouse in Zaozhuang City, east China's Shandong Province, Jan. 20, 2018, also the Great Cold (Dahan) solar term on the Chinese Lunar Calendar. (Xinhua/Sun Zhongzhe)