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A farmer pollinates the fruit tree at the field in Xinzhuang Village of Linyi City, east China's Shandong Province, April 5, 2018.(Xinhua/Wu Jiquan)
A farmer pollinates the fruit tree at the field in Xinzhuang Village of Linyi City, east China's Shandong Province, April 5, 2018.(Xinhua/Wu Jiquan)