The Ancient City Walls :
Posted by hzz on 4 November, 2008
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This item was filled under [ Travel in China, tour in xi"an ]
Built during the 14th century on Tang dynasty foundations, date to the Ming dynasty, the city walls are the largest and best-preserved ancient fortress in the world. In the shape of a rectangle with a length of 11.9 km, the wall is 12 meters high. There is a gate in each of the four sides, [...]

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