An over-crowded South Korean city needs a link to a nearby town.
(03:06)Divers test conditions for power supplies and construction underwater.
(03:02)Building the highway underwater requires extreme precision.
(02:57)Welcome to the world’s first spaceport where runways take you to space.
(02:56)Once built, it’ll be the deepest, immersed highway on earth.
(03:06)A small town in New Mexico is the birthplace of American space flying.
(02:57)In the desert conditions are ideal for flying, not constructing a runway.
(03:00)Water for plumbing and safety is needed for the spaceport.
(03:00)The unique design of the hanger rooftop creates a difficult challenge for builders.
(03:02)