Published On: Thu, May 2nd, 2024

The world’s deepest tunnel that’s an incredible 35 miles long that cost £9.6bn

The idea for the Gotthard Base Tunnel – a railway tunnel through the Swiss Alps – was first floated in the 1960s. It opened in 2016.
Daily Express :: News Feed

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The world’s deepest tunnel that’s an incredible 35 miles long that cost £9.6bn