It is one of the most heavily used metro systems in the world.

The city also acquired its metro system, opened in 1900.

It was the first metro system to open in the Netherlands.

This metropolitan service is now part of the metro system as line 2.

However, foreign students have been allowed to freely use the entire metro system.

The first leg of a new metro system also has been completed.

The new metro system only covers a tiny part of the city so far.

These facilities are all stops on the Metro system as well.

Most bus services provide feeding to the metro system where possible, and then do not continue into town.

The metro system that Alice often uses to go to her mother's and father's place.