Mountain City is another name for Chongqing. It is the keyword that best summarizes Chongqing, and Shancheng Lane is the most representative block of the old Chongqing mountain city. Shancheng Lane is a long stone stairway in Chongqing. In Chongqing, the street named after the mountain city, Shancheng Lane is the only one. There are the most beautiful mountain roads on the banks of the Chongqing River, the bluestone roads that can't be seen at an eye, and the ancient Bayu houses. They all represent the typical mountain city space and the Bayu style. They carry the past years of Chongqing in one step. Walking on the trail overlooking the entire riverside scenery, the river view of Chongqing is unobstructed.