One metro train over the flood.
Because of the terrain, Chongqing rail transit needs to cross the Yangtze River and Jialing River many times. The picture shows the train of Chongqing Rail Transit Line 6 crossing the Qiansimen Br... (more)
The 6 line of Chongqing rail transit line adopts the steel wheel rail subway system, which is the key line in the Chongqing rail transit network, and is the core traffic artery throughout the Chon... (more)
"Metro through a building" is not easily seen outside Chongqing.
Chongqing Metro Line 3 on Niujiaotuo Bridge over the Jialingjiang River.