Core Points - An incident occurred at Zhangjiajie Tianmen Mountain National Forest Park where a car failed to climb the "Heavenly Ladder" and damaged the guardrail during a promotional event for a car brand [2][3] - The "Heavenly Ladder" is approximately 300 meters long with a vertical drop of 150 meters and consists of 999 steps, serving as the main route to Tianmen Cave [3] - The event was organized by Chery Automobile, which rented the venue, and no injuries were reported [3][4] Company and Industry Insights - The promotional activity was part of a challenge for the Chery brand's Fengyun X3L model, which is set to launch on September 17, 2025 [4] - Previous similar events have taken place, including a successful climb by Land Rover in 2018, which set a record for the "99 Bends" route [3] - The Tianmen Mountain staff confirmed that the "Heavenly Ladder" would be closed to tourists on the 12th and 13th for this event, allowing access only via the mountain elevator [3][4]