The world's longest railway tunnel has been completed: the world's longest railway tunnel under the Swiss Alps has been completed.
The NEAT Gotthard Base Tunnel, which consists of two 9-meter-wide tunnels parallel to each other, coming and going, passes 2 thousand 500 meters below the Gotthard Row Mountains.
56 will cut the 2 hour to 50 at the 1 hour in October.
Switzerland 20 2 billion dollars spent in the 10 thousand workers over the years, 8 20 workers killed in the tunnel.
Günceleme: 07/12/2018 16:40