Daqi Ancient City is located in Qijiang District, Shantou City. It is the only well-preserved pocket ancient city in the country, with an area of only 0.014 square kilometers. It is the size of two football fields. Compared with the ancient city we often see, it really can be seen at a glance. It has only two city gates, "Xiqiaomen" and "Dashanmen". The ancient city wall is 5 meters high and1.3 meters thick, and there are observation decks at four corners.