World's longest tunnel will stretch 76 miles and slash six-hour journey to 40 minutes
- Posted on December 19, 2025
- By The Mirror
- 3 Views
World's longest tunnel will stretch 76 miles and slash six-hour journey to 40 minutes
The Bohai Strait Tunnel in China will feature two parallel tunnels for high-speed trains stretching 76 miles, slashing travel time between Dalian and Yantai by almost 90%
