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Farmers pick goji berries during harvest season in the farmland in Zhongning County of Zhongwei, northwest China's Ningxia Hui Autonomous Region, Oct. 2, 2018. (Xinhua/Wang Peng)
Farmers pick goji berries during harvest season in the farmland in Zhongning County of Zhongwei, northwest China's Ningxia Hui Autonomous Region, Oct. 2, 2018. (Xinhua/Wang Peng)