Gotthard Base Tunnel – The World longest Tunnel

The Gotthard Base Tunnel German Gotthard-Basistunnel Italian Galleria di base del San Gottardo, Romansh: Tunnel da basa dal Son Gottard is a railway tunnel through the Alps in Switzerland. It opened on 1 June 2016, and full service began on 11 December cameroncphotography With a route length of is the world’s longest and deepest traffic tunnel and the first flat, low-level route through the Alps. It lies at the heart of the Gotthard axis and constitutes the third tunnel connec…