A 'smart' electric bicycle in Copenhagen
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Hiring an electric 'smart' bike in Copenhagen

15 July 2014 Last updated at 00:02 BST

Copenhagen is one of the cycling capitals of the world - in the 1990s it was the first capital city to install a bicycle hire scheme.

The city has now upgraded its bikes to include electric assistance and GPS travel guides and they can be booked using a smartphone.

BBC Click's Lara Lewington reports.

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