Underwater Highway Built in Korea – Documentary A fascinating episode of Megastructures – Deep Sea Highway, shows us how they build a underwater highway in Korea. Facebook Prev Article Next Article Documentary Checkout these cool gadgets... Related Posts This Pyro Makes The Strongest DIY Lasers In The World Out of Old Tech Theory On How Stonehenge Was Made Mystery of the Alien Abduction in Canada How Nestle Makes Billions Bottling Free Water – Documentary Meet the Robotic Bomb Squad The Battle of Los Angeles