But while building the tunnel was an epic achievement, keeping this vital artery flowing is a constant, never-ending challenge. As the Channel Tunnel’s 25th anniversary collides with Brexit ...

The Channel Tunnel linking Britain with France is one of the seven wonders of the modern world but what did it take to build the longest undersea tunnel ever constructed? We hear from the men and ...

The building of the Channel Tunnel, one of the engineering wonders of modern times. Shows the planning, construction, completion and aftermath. In particular it shows the problems that had to be ...