Xi'an City Wall is one of the best-preserved ancient city walls in China and a symbol of Xi'an. If you're planning to visit Xi'an, the City Wall is definitely a must-see. Here's a travel guide to help you plan a pleasant visit. 1. Overview of the City Wall The Xi'an City Wall was built during the Ming Dynasty (1370 AD) and stretches about 13.7 kilometers. It surrounds the ancient city of Xi'an with four main gates: East, South, West, and North. The wall is approximately 12 meters high, 12 met...