Add Yahoo as a preferred source to see more of our stories on Google. 00 longest tunnels opener laerda Tunnels are used to carry traffic through some of the most extreme terrain on the planet and they ...
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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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