In July 1965 an 11-km tunnel dug deep beneath the Alps was opened to traffic. Linking France and Italy, the Mont Blanc tunnel was a remarkable feat of engineering. Show more
Discover 11,128,835 listings and 279,596 playable programmes from the BBC
In July 1965 an 11-km tunnel dug deep beneath the Alps was opened to traffic. Linking France and Italy, the Mont Blanc tunnel was a remarkable feat of engineering. Show more