1. According to the query of Jiangxi Channel of Hong Kong Economic Herald, the roads in Wan Xin Township of xiushui county are mostly at the foot of the mountain or halfway up the mountain, which can be described as high mountains and steep roads. Leigongjian section is the steepest, about 500 meters long. There are vertical cliffs on both sides of the road, and cliffs on the other side. The road surface is only 3.5 meters wide. Sometimes, overtaking can only be accomplished by reversing another car. Especially in the rainy season, landslides are easy to occur due to the broken, loose and strongly weathered mountains. Therefore, the steepest road for repairing water is the Leigongjian section.

2. xiushui county is a county under the jurisdiction of Jiujiang City, Jiangxi Province, located in the northwest of Jiangxi Province, the west of Jiujiang City, the upper reaches of Hexiu, between Mufu Mountain and Jiuling Mountain Range.