![Xi'an City Walls South, at Dusk [June 1, 2011]](http://mutationmatter.com/wp-content/uploads/2011/08/img_6783-700x525.jpg)
Xi'an City Walls South, at Dusk / June 1, 2011
In early June I had the distinct opportunity and pleasure to visit one of the oldest and most historic cities in China: Xi'an. During the
Tang Dynasty this city, once known as
Chang'an, was host to the largest city in the world (81 square kilometers) housing 1 million people. While being such an extraordinary city subject to historically massive feats of engineering, it has in more recent years made attempts to attract a more modern audience to its layers of history, namely in this case, in the form of the Xi'an Horticultural Expo 2011.
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