Guangzhou–Shenzhen–Hong Kong Express Rail Link
Guangzhou–Shenzhen–Hong Kong Express Rail Link (XRL), also known as “Guangshengang XRL” (officially Beijing–Guangzhou–Shenzhen–Hong Kong high-speed railway, Guangzhou–Shenzhen–Hong Kong section), is a high-speed railway line that connects Beijing and Hong Kong (Kowloon) via Guangzhou and Shenzhen.