The world’s longest train tunnel will officially open on Wednesday, nearly seven decades after the initial design was conceived. Switzerland’s 57-kilometre (35-mile) Gotthard Base Tunnel runs under the Alps from Erstfeld in the central canton…
The world’s longest train tunnel will officially open on Wednesday, nearly seven decades after the initial design was conceived. Switzerland’s 57-kilometre (35-mile) Gotthard Base Tunnel runs under the Alps from Erstfeld in the central canton…