By Kelsey Campbell-Dollaghan

Most of us want to believe that our cities are unique, special snowflakes, unlike anywhere else in the world. But a…

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Source:: http://feeds.gawker.com/~r/gizmodo/full/~3/3NYuJObqPo8/there-are-really-just-four-kinds-of-cities-in-the-world-1643813660