Xi'an, the capital of Shaanxi Province, is the ancient capital of the 13th Dynasty, especially the grand Tang Dynasty, the capital city of Xi'an, has been discovered that when the Datang, the capital city wall is more than ten times the current Ming city wall, there is a Tang City Wall ruins park in the east of the Datang Everbright City, planted with trees, is a good place for citizens to escape the summer and spend the summer.