# karst
Latest news and articles about karst
Total: 2 articles found
Scaling Karst Cliffs to Keep Cross‑Border Trains Running: Inside China’s ‘Climbing Tiger’ Rail Crew
A specialised maintenance team on China’s Xianggui railway routinely climbs karst cliffs to identify and neutralise hazardous rocks that threaten China–Vietnam international rail traffic. Their work combines drone and AI detection with dangerous manual interventions, and underlines the human backbone of infrastructure resilience amid growing reliance on cross‑border rail links.
Climbing for Safety: How a Chinese Railcrew 'Registers' Rocks to Keep Trains Crossing the China–Vietnam Border
On the Xianggui railway’s Nanning section, a specialised maintenance team known as the “climbing tigers” inspects and mitigates rockfall risks on karst cliffs that threaten China–Vietnam rail traffic. Combining drone-AI scans with dangerous cliffside work and a rigorous record-keeping system that operators call “giving stones household registration,” the crew keeps trains running safely during busy travel periods.