According to legend, there are four places in Zhuge Liang's eight-array map: one is in Mianxian County, Shaanxi Province; First, in Xindu, Sichuan; The other two are in Fengjie, one is the dam array near Donghe, and the other is the drought eight array near the northeast thatched cottage in Baidicheng, also called the thatched cottage eight array. One of the most famous is the Water Eight Arrays in Fengjie.
Dam array is located at the entrance of Meixi River, close to the county seat. The so-called water eight arrays are actually sandbars formed by floods in the Yangtze River and Meixi River. There are salt springs on this continent. In the dry season, the waterlogged dam is exposed to the water, and people take boiled salt here in succession. The fire burned for miles, which was spectacular. Therefore, it is also called "smelly salt merchant". According to legend, Zhuge Liang came to Fengjie twice to defend Wu Dong from entering Shu and made some military arrangements in this area. You can also line up on the smelly saline soil with flat terrain. As a result, the legend of the eight-array map is becoming more and more magical.