The ancient city of Pingyao has six gates, one north and one south, two East and two west, in the same shape as a tortoise. There is a folk saying "Turtle City" that "Turtle City" implies a solid golden soup, long-term stability. Buy a couplet ticket, including the ancient city wall. From Yingfumen Gate to the city building, commonly known as Nanmen Gate, is the turtle head of Pingyao ancient city, is the focus of the whole city pool. The model is simple and elegant. The city wall was built in the Xuanwang period of the Western Zhou Dynasty to ram the earth wall. Ming Hongwu rebuilt it and changed it into a brick wall. There were 25 repairs in Ming and Qing dynasties. There are some generals on the East wall. The attached piers that protrude outward in the city walls are called "horseface". It not only strengthens the firmness of the wall, but also eliminates the dead corner of the battlefield. On the horse, there are towers looking at the enemy, which are called "enemy towers". After walking for a while and seeing the exit, he went down the city wall and returned from the old street of Yunlu. The old street of Yunlu is a bar street.