Hidden beneath Norway's rugged mountains lies a marvel of modern engineering: the Lærdal Tunnel, the longest road tunnel in the world that takes 20 minutes to drive through. This astonishing 24.5 ...

Deep beneath Norway's rugged mountains lies a feat of modern engineering ... One included cave-like rest areas, where every six kilometres (3.7 miles), the tunnel features large, brightly lit caverns ...

Deep beneath Norway’s rugged mountains ... the tunnel features large, brightly lit caverns designed to break up the monotony of the drive. These areas are illuminated with blue and yellow ...

The Lærdal Tunnel in Norway is an engineering marvel. It's nearly 16 miles long and includes cave-like rest areas to break up ...