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Impossible Engineering
2015
Published on, 8 months ago
Impossible Engineering
World's Toughest Tunnels (London's Super Sewer) 7 Season 2 Episode
42 min
2015
6.8
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.
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