Photo taken on Nov. 27 shows the National Ski Jumping Center in Chongli, home to Beijing 2022’s Zhangjiakou competition zone. (People’s Daily Online/Chen Xiaodong)

Beijing 2022 Winter Olympic and Paralympic mascots stand in front of the Yanqing station of Beijing-Zhangjiakou High-speed Railway, a key infrastructure project for the Beijing 2022 Olympic Winter Games that starts operation on Dec. 1. (People’s Daily Online/Sun Lijun)

Photo shows the Yanqing station of Beijing-Zhangjiakou High-speed Railway, a key infrastructure project for the Beijing 2022 Olympic Winter Games that starts operation on Dec. 1. (People’s Daily Online/Sun Lijun)