Megastructures - Channel Tunnel

Undersea tunnel between Coquelles, France and Folkestone, United Kingdom — The Channel Tunnel or Euro Tunnel is one of the world’s longest underground rail tunnels, and links England with France. Consisting of two rail tunnels and a small service tunnel, it totals 153 km in length. This episode looks at the race between the British and the French to complete the tunneling of the Channel Tunnel and the obstacles faced in its construction.