![](http://www.ecns.cn/hd/2021/12/24/3ea0748b4fa7482aa83b258510e5d320.jpg)
Members of an operation and maintenance team for alpine skiing train at the National Alpine Ski Center, Beijing, capital of China, Dec. 23, 2021. (Photo: China News Service/Han Haidan)
A team of downhill skiers was gathered to guarantee power supply for the Winter Olympics in the Yanqing competition area in northwest Beijing.
![](http://www.ecns.cn/hd/2021/12/24/36d2cbac5fff4022af41b3938a39da64.jpg)
A member of an operation and maintenance team for alpine skiing trains at the National Alpine Ski Center, Beijing, capital of China, Dec. 23, 2021. (Photo: China News Service/Han Haidan)
![](http://www.ecns.cn/hd/2021/12/24/5bb0aa53aabf42fca2afe084eabe5a7b.jpg)
A member of an operation and maintenance team for alpine skiing trains at the National Alpine Ski Center, Beijing, capital of China, Dec. 23, 2021. (Photo: China News Service/Han Haidan)