Summary：Shanghai has the world& 39;s largest subway network of 673 kilometers and 395 stations on 17 different lines Sha

Shanghai has the world's largest subway network of 673 kilometers and 395 stations on 17 different lines. Shanghai Metro celebrates its 25th birthday on Monday.

A metro train runs out of a station in Shanghai.



A view of a metro train running in Shanghai. 

A driver drives a metro train in Shanghai.

Member staff of Shanghai Metro check the trains.