Impossible Engineering

Yesterday

Saturday 11 September 2021  01:00 - 02:00 (60 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) Saturday 11 September 2021 01:00 - 02:00