Frank Lloyd Wright once described cities as both ?our glory and our menace?. With more than half of the world?s population now living in cities, architects are becoming increasingly interested in their origins. Many fields of historical, geographical, and spatial research are devoted to exploring the evolution of cities, revealing a set of similarities across the globe. In a recent video, Wendover Productions described a common set of characteristics linking some of our largest cities, six of which we have outlined below. 

New York Skyline © Flickr user nehle. Licensed under CC BY-SA 2.0

Frank Lloyd Wright once described cities as both ?our glory and our menace?. With more than half of the world?s population now living in cities, architects are becoming increasingly interested in their origins. Many fields of historical, geographical, and spatial research are devoted to exploring the evolution of cities, revealing a set of similarities across the globe. In a recent video, Wendover Productions described a common set of characteristics linking some of our largest cities, six of which we have outlined below. Taking the six factors below into account, where is the perfect ?world city?" Watch the video after the break:
1- The Ten Mile RuleIf you measure the distance between two adjacent pre-industrial American towns, you will likely find it to be 10-15 miles. Before the advent of cars, people in rural settings could o...