Explanation

The Shanghai Metro is the world's longest metro network (subway) at 803 kilometers

Began-----> on 28 May 1993; 29 years ago

It is also the second biggest by the number of stations with 396 stations 

The Shanghai Metro is the highest annual ridership at 2.83 billion trips

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LIST OF METRO SYSTEM (Subway) :

• The London Underground makes it the world's oldest metro system.
• the New York City Subway has the greatest number of stations with 472.
• The country with the most metro systems in China, with 44 in operation

ND23-4-2023