There are only 5 football fields in a small town in Shanxi. The city wall is 10 meters higher than the Forbidden City. It is a tourist attraction Yangcheng County in Shanxi has a long history. Especially in the Ming and Qing Dynasties, there are many talents, which also left us a lot of valuable. Ancient buildings have now become tourist attractions. The tourism of Yangcheng County is centered on Huangcheng Xiangfu, and there is also a small ancient city, which also has a place in Yangcheng Tourism. This small town is called Yucheng, located in Runcheng Town, Yangcheng County. Built on a small hill, the city is surrounded by water on three sides. It is like a peninsula. The high wall surrounds the small town, making this small town self-contained and very strange. Since the historical materials left by Yucheng are not many, the specific construction time can no longer be verified, but from the ancient monuments left by the ancient city, there is a mountain city list monument that was in the Chongzhen years of the Ming Dynasty. According to this speculation, The city has been at least 400 years old and is now a national key cultural relics protection unit. The city wall is a feature of the city. Visitors can climb the city wall. The city wall is 20 meters above the waterfront. It is 10 meters higher than the wall of the Forbidden City in Beijing. It is easy to defend and difficult to attack during the war. The area is small, only 37,000 square meters, slightly larger than the five football fields. Runcheng was once the most affluent town in Yangcheng County. The ancient Runcheng iron and steel industry was developed and created many wealthy businessmen. The crucible that was abandoned after smelting iron is the main building material of the city wall, which is both durable and low in cost. Many such honeycomb-shaped crucibles can be seen on the walls of the city. The ancient city is the size of a village. It has both military defense and residential functions. The main entrance is located on the south side of the ancient city. When the war is closed, the city gate can be closed. The city walls are equipped with battlements and forts. The city is divided into ten blocks, each of which is connected to the courtyard and connected to each other, extending in all directions. The lanes form many T-shaped street intersections, and the lanes are deep and the walls are particularly narrow. It is easy for tourists to get lost in the city. This ancient city has remained intact and has been developed into a tourist attraction. Although there are not many tourists, it is very special. The other two ancient cities built at the same time as Yucheng have not existed, leaving only the ruins. This ancient city is particularly important.