BierdopjeV3 Alpha nu beschikbaar. Wil je helpen? Kijk dan hier
MegaStructures - Deep Sea Highway
Seizoen: 2011 - Aflevering: 4 / 129 - Eerst uitgezonden: 17 februari 2011 - Episode ID: 636355
South Korea never constructed a submerged tunnel, but now tackles the challenge of building one of the deepest immersed highways on Earth. Designed for the fickle conditions of the Pacific, the giant tunnel must be both earthquake and typhoon proof.