Passengers pose for photos at Chaoyang Station of Subway Line 3 in Beijing ... passenger flows of over 11 million people on weekdays, equivalent to half of Beijing's population moving underground ...

Beijing, China - December 15, 2024 People experience a ride on Metro Line 12 in Beijing, China, December 15, 2024. On the same day, three new urban rail transit lines in Beijing, including Line 3 ...