Video PlayerClose
Farmers harvest potatoes in the Saibei farming zone of Zhangjiakou, north China's Hebei Province, Sept. 14, 2017. (Xinhua/Yang Shiyao)
Farmers harvest potatoes in the Saibei farming zone of Zhangjiakou, north China's Hebei Province, Sept. 14, 2017. (Xinhua/Yang Shiyao)