![](http://www.ecns.cn/hd/2022/01/21/afe7472eced6453683b6a6b19d94869d.jpg)
Photo taken on Jan. 21, 2022 shows a train of the Beijing-Zhangjiakou high-speed railway line in Beijing, capital of China. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/fa12ab43c3f042758baa871e9f2b152f.jpg)
Passengers are ready to get in a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/16794b576d984aed9aac46d0bfd5168c.jpg)
A passenger accepts security check to get in a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/7d505d9f1c7a469ea9ee0cb54cc4e6c8.jpg)
Passengers are seen on a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/32cd7a70e3e94986adcbc1e7a6862806.jpg)
A train of the Beijing-Zhangjiakou high-speed railway line departs in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/11e8dcae921346b7804fdb0a42e23ea8.jpg)
Passengers are ready to get in a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/6cae1ab5ba104788b694ec2994d9230c.jpg)
Photo taken on Jan. 21, 2022 shows the information about a train of the Beijing-Zhangjiakou high-speed railway line in Beijing, capital of China. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/131e6a5558f04ccb9a68e84f5e8735c1.jpg)
Passengers are ready to get in a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/dad83f5fd37f40ed986a40dc855ea6c7.jpg)
Passengers show a painting about Beijing 2022 Winter Olympics before getting in a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/3e60a9657c5b468ca5945348b0c4a7b5.jpg)
Passengers get in a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/d29491a9217a4bde86f7c916956e7699.jpg)
Passengers get in a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/2f88c1597eb04127b78d57d6a8ab3993.jpg)
Passengers take selfies before getting in a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/97e2f5d69e5847d7b59a69123da96cc8.jpg)
A train of the Beijing-Zhangjiakou high-speed railway line departs in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)
![](http://www.ecns.cn/hd/2022/01/21/51de7d3706954ef3bb3cc0d39f12aef0.jpg)
Staff members are seen on a train of the Beijing-Zhangjiakou high-speed railway line, in Beijing, capital of China, Jan. 21, 2022. The service of this railway line for Beijing 2022 started from Jan. 21, 2022. (Xinhua/Liu Xu)