The Copenhagen Metro, which became operational in 2002, combines the best of New York and Hong Kong.

BBC: Subway systems by the numbers

The Copenhagen Metro does not, however, offer the size of the MTA or MTR, operating only two lines over 21km of track with 22 stations.

BBC: Subway systems by the numbers

After several weeks of getting around on foot and the Metro when I first arrived, I did what most newcomers to Copenhagen do: I bought a bike.

FORBES: What's It Like To Get Around By Bike In Copenhagen? Take A Virtual Tour