Introduction to Wanquan Youwei City: Youwei City is located in the north of Youyu County. It is 10 kilometers north of Shahukou. The Cangtou River flows from the west of the city from south to north. The ancient city has four gates: Heyang Gate in the east, Yongning Gate in the south, Wuding Gate in the west, and Zhenshuo Gate in the north. It has been an important town in the north since ancient times. In the Ming Dynasty, the generals of the Ma family, who were known as the "Nine-sided Clan" and "Eastern Li and Western Ma", were stationed here and made great achievements in the Ming Dynasty. There are a total of 256 government offices built in the city, including General's Office, Dutong Office, Assistant Assistant Office, Xiaoqi School Office, and Prefecture and County Offices. In the Ming and Qing dynasties, more than 50 temples including Sheji Altar, Xiannong Altar, Junli Altar, Fengyun Leiyu Altar and various palaces and temples were built. Minglun Hall, Discipline and Education Office, Zunjing Office, Jingyi Pavilion, Yulin Academy, etc. were also founded. Confucian school. There are dozens of places including the government treasury, county treasury, government office, inn, general store, Puji Hall, Yin Yang School, monks and Taoist records department, reception office, tax office, etc. The four streets are lined with shops and merchants, with more than 50 large-scale shops. To the north of Dongjie Road are the Confucian Temple and Baoning Temple, which have majestic buildings and a large scale. Minglun Hall also has a lying tablet inscribed by Emperor Shunzhi and an edict from Emperor Kangxi. It is another well-preserved ancient castle in Shanxi Province besides the ancient city of Pingyao. The city wall and four city gates are now intact. The diamonds under the city wall and the cladding bricks in some areas still exist. The layout of the four streets and eight alleys in the city still exists. The ancient architecture of the Ming and Qing Dynasties still exists. Occasionally, stone tablets and stone carvings can be seen.