Date: 20/02/2020
(CNN) Thousands of feet under the Swiss Alps, a new high-speed, high-capacity railway is close to completion.
At its heart is the world's longest railway tunnel -- the 35-mile-long (or 57-kilometer) Gotthard Base Tunnel.
External links
CNN
Thousands of feet under the Swiss Alps, a new high-speed, high-capacity railway is close to completion. The Ceneri Base Tunnel and the Gotthard Base Tunnel -- the world's longest railway tunnel -- will shave hours off the time it take trains to cross the mountains of Europe.