Regular track maintenance along the Chongqing–Guiyang high-speed railway (HSR), an HSR section going in and out of the #karst regions in southwest #China, requires special skills and courage. Join us and see how the maintenance teamwork at height to complete a checking task. #HighSpeedRail
About This Source - CGTN
This story is an English language news item from CGTN. CGTN is a Chinese state-funded broadcaster.