Korean Superlink
- Episode aired Nov 17, 2011
South Korea had never constructed a submerged tunnel, but now tackles the challenge of building one of the deepest immersed highways on the earth.South Korea had never constructed a submerged tunnel, but now tackles the challenge of building one of the deepest immersed highways on the earth.South Korea had never constructed a submerged tunnel, but now tackles the challenge of building one of the deepest immersed highways on the earth.