Photo taken on May 10, 2019 shows the construction site of the National Cross-Country Skiing Center of the 2022 Winter Olympic Games, in Zhangjiakou, north China's Hebei Province. (Xinhua/Xing Guangli)
Xinhua photos of the day
Source: Xinhua| 2019-05-11 09:40:10|Editor: Liangyu
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