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Sixty-seven-year-old Dai Banglin works at a duck farm in Jiangtan Village of Sirong Township in Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region, Oct. 29, 2017. (Xinhua/Huang Xiaobang)
Sixty-seven-year-old Dai Banglin works at a duck farm in Jiangtan Village of Sirong Township in Rongshui Miao Autonomous County, south China's Guangxi Zhuang Autonomous Region, Oct. 29, 2017. (Xinhua/Huang Xiaobang)