According to the relevant information of personal library, Changshe Line is located in Shexian County, Huangshan City, Anhui Province. It is the intersection of Hangzhou-Huizhou Expressway, passing through Hongyewan, Weiping Town, Jiekou Town and Huizhou Ancient City of Qiandao Lake, passing through many small mountainous areas, and finally crossing the mountains to see the Huizhou Ancient City in Shexian County. It is indeed the case.

Panshan Highway refers to the highway built on the mountain, which belongs to a type of mountain highway. Mainly built in mountainous and hilly areas, but also laid in plain hills and rugged areas.