The Gotthard Base Tunnel is set to become the world's largest rail tunnel, creating a flat rail link for travel through the Alps. With breakthrough engineering methods, this project is undoubtedly one of the most exciting and dramatic of ...See moreThe Gotthard Base Tunnel is set to become the world's largest rail tunnel, creating a flat rail link for travel through the Alps. With breakthrough engineering methods, this project is undoubtedly one of the most exciting and dramatic of modern times. Written by
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