Chinese and foreign journalists visit the Beijing rail transit command center, Oct 17, 2022. The news center of the 20th CPC National Congress organized a visit to the Beijing rail transit command center for domestic and foreign journalists on Oct 17, 2022. The journalists explored the secret behind Beijing subway's efficiency, experienced the modern management of the city's rail transit and learned about its construction process. [Photo by Wang Zhuangfei/chinadaily.com.cn]