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A farmer checks the growth situation of cherry tomatoes in a greenhouse in Liuzhuanghu Village of Luanxian County, north China's Hebei Province, Dec. 24, 2017. (Xinhua/Mu Yu)
A farmer checks the growth situation of cherry tomatoes in a greenhouse in Liuzhuanghu Village of Luanxian County, north China's Hebei Province, Dec. 24, 2017. (Xinhua/Mu Yu)