Once operational, it will become the longest immersed tunnel in the world, diving 40 meters below sea level. Currently, travelers and cargo rely on ferries to cross the Fehmarnbelt Strait ...

A £6.4bn tunnel connecting Scandinavia and central Europe will break two world records when it's built in 2029. The Fehmarnbelt Tunnel ... as the planet's longest immersed tunnel when it opens.

But what makes the Fehmarnbelt Tunnel so special is the revolutionary engineering approach in its construction. It's going to be pieced together from 89 individual "precast" chunks that are built ...

A stunning tunnel stretching 18km across the Baltic Sea is set to link Germany and Denmark and slash journey times between the two nations, making it one of the largest in Europe. The Fehmarn ...

The immersed tube method, a version of the cut and cover technique, is a cheap and easy way to construct a tunnel under water -- and it's generally the fastest way. Here's how it works ...