
The Laerdal Tunnel in western Norway is the longest road tunnel in the world
It takes about 20 minutes to pass through the tunnel. Brightly colored lights placed every six kilometers help drivers stay alert.
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It takes about 20 minutes to pass through the tunnel. Brightly colored lights placed every six kilometers help drivers stay alert.
view all Interesting and Fun facts
It is easy to perform a good action, but not easy to acquire a settled habit of performing such actions.
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