Chinese tourists photographing at the top of the wall of Xi'an. The Wall of Xian is the largest inner wall is in a city of China. With nearly 14 miles long, surrounding a square completely with the space occupied by the ancient city of Xian.Cuando we the wall; impress us its enormous dimensions. It has a height of 12 meters and above; a width of 12, to 14 meters. In this way, to reach the top of the wall by a broad stairway of the south gate that opens into the wall, we are facing what could be even a road.