Il Brennero: il Traforo più lungo del mondo

Once completed in 2032, it will be the longest railway tunnel in the world, 64 kilometers long, connecting Italy, Austria, and the rest of Europe, beneath the mountains of the Brenner Pass. The difficulty of transit, especially freight, between Italy and the rest of Europe is evident to anyone who has traveled on the A22. Kilometer-long lines of trucks. And freight trains winding their way up the mountains take just as long to cross the Brenner Pass. But how are tunnels tens of kilometers long built? It's a little-known fact, but not only have the technologies changed in the construction of these tunnels, but the very design criteria.