Shantou Bay undersea tunnel breaks through in South China
On March 26th, the world's first undersea high-speed rail tunnel designed for 350 km/h operation－the Shantou Bay undersea tunnel o
tunnel underseatunnel undersea 2025-03-27 22:16 8
undersea
Mawan undersea tunnel， Shenzhen's first undersea tunnel， officially opens
On January 21st, Shenzhen's first undersea tunnel, the Mawan undersea tunnel, officially opened. The Mawan tunnel is also the larg
tunnel underseatunnel undersea 2025-01-23 06:55 11