Trains on the Copenhagen Metro run without any driver at all.

而在哥本哈根Metro运行的列车压根就没有死机。

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Then my brother helped us to buy sim card, to buy clip card , and to get to know how the transportation works in Copenhagen. The metro, train, and the bus is very convenient.

弟弟带我们买了丹麦的电话卡，又熟悉了下丹麦便利的交通系统，地铁，火车，公交车.r去哪里都很快捷方便！

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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