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This Is How You Stop an Old Train Tunnel from Flooding

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This Is How You Stop an Old Train Tunnel from Flooding

Short | 03:22

The Albula Tunnel, the second longest on the Glacier Express line that cuts through the Swiss Alps, was opened in 1903. As a result, it's badly in need of renovation - and engineers have an ambitious solution.


More About This episode

It is one of the most famous trains on Earth and is built for tackling steep mountains every day. Take a height-defying ride aboard the Glacier Express and discover the time-honored technology and amazing engineering that make it one of the planet's mightiest trains. Then witness all of the spectacular geography this train fits into one eight-hour shift, from the base of the Matterhorn to the Rhone valley, from the Furka Tunnel to the Oberalp Pass, and from the Rhine gorge to the Landwasser Viaduct.

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