A girl goes sledding on her own at an activity center in Harbin, capital of northeast China's Heilongjiang province, Jan. 9, 2017. Kids are having fun with winter sports in cold winter days. (Xinhua/Wang Kai)
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A girl goes sledding on her own at an activity center in Harbin, capital of northeast China's Heilongjiang province, Jan. 9, 2017. Kids are having fun with winter sports in cold winter days. (Xinhua/Wang Kai)
