The tunnel connects two beautiful islands and is even longer than the Channel Tunnel.

Germany and Denmark are separated by a strait of just 20 km, but getting from one country to the other by land involves a 160 ...

A project nearing completion in the Detroit area used a custom-built, diver-operated vehicle that can operate underwater and that replaced concrete liners for two raw water tunnels, eliminating the ...

The tunnel will stretch 17 miles at a maximum depth of 392 metres below sea level, which, compared to the Channel Tunnel, ...