Impossible Engineering

Yesterday

Friday 10 September 2021  06:00 - 07:10 (70 mins)
London's Super Sewer: A multibillion-pound 32km super sewer under the streets of London, an early sewer system at the Palace of Knossos and a piece of tunnel boring equipment from the past. [S,AD]

Impossible Engineering (Yesterday) Friday 10 September 2021 06:00 - 07:10