Passengers prepare to board a tourist train for seniors at Tianjin Railway Station in Tianjin, north China, March 15, 2025. A tourist train for seniors departed from north China's Tianjin on Saturday.

Two passengers take photos at a themed photo wall at Tianjin Railway Station on Saturday before a tourism train for seniors embarks on a 12-day journey to the south. [Photo/China News Service ...

British newspaper MailOnline has listed a train system running through a 19-story residential building in China's Chongqing ...