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The 'Smartest' Cities in the World

06/05/2014 11:19 am ET | Updated Aug 05, 2014
Kateryna Negoda via Getty Images

by John Wogan, CNTraveler.com

A few visionary communities around the world are leading a revolution in "smart" urban planning. They're incorporating technology and environmentally friendly practices on a scale rarely seen before. Here, some prototypes of cities of the future. Plus: from Barcelona to New York, the sustainable practices of some major cultural capitals.

Smartest Cities

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