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Coach Liu Yang (C) gives instructions while students warming up before skiing in Chongli of Zhangjiakou, north China's Hebei province, Dec. 4, 2018. (Xinhua/Li Jundong)
Coach Liu Yang (C) gives instructions while students warming up before skiing in Chongli of Zhangjiakou, north China's Hebei province, Dec. 4, 2018. (Xinhua/Li Jundong)