The Nijiang River Gorge in Yunnan province, south China, with a vertical drop of more than 500 meters, was once a natural barrier that hindered local villagers and students from commuting. In 2022, the No. 1 "aerial school bus" was put into operation, cutting the travel time from 3.5 hours to 30 minutes. The No. 2 "aerial school bus," with a vertical height of 288 meters, serves as a supplement to ease passenger flow duri