When a driver enters the Lærdal Tunnel in Norway, it's not just an ordinary drive through an underground passage. He embarks on a 24.5-kilometer-long road that takes almost 20 minutes through the interior of the mountain – without a single glimpse of daylight.
When a driver enters the Lærdal Tunnel in Norway, it's not just an ordinary drive through an underground passage. He embarks on a 24.5-kilometer-long road that takes almost 20 minutes through the interior of the mountain – without a single glimpse of daylight.