Core Points - An incident occurred on November 12, 2025, during a testing project of the Fengyun X3L vehicle at the Tianmen Mountain scenic area in Zhangjiajie, Hunan, leading to widespread attention [1] - The direct cause of the incident was the unexpected detachment of the safety harness's fixed point, which resulted in the protective rope entangling the right wheel, causing the vehicle to slide and collide with the guardrail, damaging it [1] - Fortunately, there were no injuries or environmental damage reported from this incident [1] Company and Industry Insights - The Tianmen Mountain "Sky Ladder" is approximately 300 meters long with a vertical drop of 150 meters, consisting of 999 steps, and serves as the main access to the Tianmen Cave [7] - There are concerns that using the "Sky Ladder," which is meant for tourists, for vehicle testing negatively impacts the tourist experience and damages the scenic area facilities [7] - This is not the first time a car brand has conducted climbing demonstrations at this location; previously, Land Rover successfully completed a climb in 2018, setting a record [9]