Many. The link below has links to many of them,
"Metro" is a generic name for an urban railway system. Many cities have a Metro. For example: Paris Métro, Rome Metro, Madrid Metro, Amsterdam Metro, Newcastle Metro, etc., etc.
Which one?
no
There is an Underground city which is a large underground mall and the metro. Im not sure of what else is there or which stores but there is at least 1! :)
metro
The London Underground is a rapid transit system in the United Kingdom. Approximately 55% of the tracks for the Underground are above the surface. The Underground services 270 stations and has over 400km (250mi) of track.
the answer is metro
The oldest metro system is London Underground
A metro refers to an electric railway that operates underground in a given city.
underground train i think
The Paris Métro is an electric underground railway system; the term metro is also used in other countries to define a rapid transport system, not necessarily underground.
The Underground Railroad wasn't a literal railroad, so there were no tracks. It was a metaphor for the routes that escaped slaves took on their journey North.
Yes, it's called the Metro.
Underground in London, England.