Impossible Engineering
World's Toughest Tunnels (London's Super Sewer)
TV-G
S7 • E2 Jan 8, 2020 42m7.8
A team of engineers are overhauling London's underground infrastructure to build a world-class sewer system. Using cutting-edge tech and the latest construction methods, they work to transform a centuries-old network into a modern-day masterpiece.
