Building Giants Season 1 Episode 6
Super Tunnel
Engineers are building a ground-breaking new railway line in Copenhagen that features 22 miles of tunnels, 17 brand-new stations, and cutting-edge driverless trains.
- 1 - 8World's Toughest SkyscraperFeb. 23, 2018
- 1 - 7World's Biggest ChurchFeb. 15, 2018
- 1 - 6Super TunnelFeb. 08, 2018
- 1 - 5World's Strongest WallFeb. 01, 2018
- 1 - 4Arctic Mega BridgeJan. 25, 2018
- 1 - 3Super Skyscraper NYCJan. 18, 2018
- 1 - 2Monster Cruise ShipJan. 11, 2018
- 1 - 1World's Greatest StadiumJan. 04, 2018