Completed in 2016, this engineering marvel has transformed European transportation and delivered significant environmental ...

The longest underwater tunnel in the world is being build between Germany and Denmark and it will be made up of 89 segments which are being likened to Lego pieces ...

A staggering €1.9 billion megatunnel is set to change the face of travel in Norway, cutting an 11-hour journey down to just 30 minutes.

To solve the problem and boost maritime trade, Norwegian officials planned to build an extensive tunnel. The mile-long safe passage will be carved directly through the peninsula, allowing cargo ...

At its deepest point, the Chincana tunnel is said to be around 8.2 feet ... likely constructed with stone and roofed with carved beams, 1.4 to 2.5 metres beneath the streets.

The tunnel, carved out of Avon Gorge Rock and connecting Clifton to the Portway, was shut in 1934. Volunteers have been restoring it since 2005. Mr Johnson also hopes to renovate the facade on the ...

Mahara described the tunnel as having been carved using chisels and picks. "We descended 100 meters, but two pathways were blocked by stones. When we tried to remove the stones, steam-like smoke ...

The Chinkana tunnel network consists of enormous trenches lined with stone walls, ceilings, and carved stone beams. "The cavity would be from one meter to 2.60 meters wide by 1.60 meters high.