For more go to http://www.dw.com/en/top-stories/business/s-1431
Switzerland opens the longest and deepest rail tunnel in the world on Wednesday. It took 17 years to build the Gotthard Base Tunnel through the heart of the Alps.
For more go to http://www.dw.com/en/top-stories/business/s-1431
Switzerland opens the longest and deepest rail tunnel in the world on Wednesday. It took 17 years to build the Gotthard Base Tunnel through the heart of the Alps.