Passengers pose for photos at Chaoyang Station of Subway Line 3 in Beijing, capital of China, Dec 15, 2024. [Photo/Xinhua] Notably, the first phase of Line 3, which includes (passes) Chaoyang ...

Beijing's urban rail transit system operates like an underground megacity, with over 11 million passengers using the subway on weekdays. That's equivalent to half the city's population commuting ...