The construction of a huge underwater multi-tiered tunnel is underway in Turkey, that will create a direct route from Asia to ...
Norway has undertaken one of the most advanced engineering challenges in recent history: a 17-mile twin-tube tunnel that will become the world’s longest and deepest undersea road tunnel once completed ...
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Top 10: World’s longest road tunnels
Tunnels are used to carry traffic through some of the most extreme terrain on the planet and they help ease journeys with reduced travel time. While most tunnels offer a short underground burst of ...
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