Jun 27, 2021Building the World's Longest Underground Train TunnelStarted in 2008, the tunnel through the Alps will, when complete, be 64km long. It's a central component in a rail service that will eventually connect Scandinavia to the Mediterranean.
Started in 2008, the tunnel through the Alps will, when complete, be 64km long. It's a central component in a rail service that will eventually connect Scandinavia to the Mediterranean.