Searching for Secrets

Smithsonian Channel

Tuesday 20 September 2022  18:00 - 19:00 (60 mins)
London. Five experts set out to explore how a Victorian gas lamp would help solve London's sewage problem, the surprising history of Marble Arch, and how the black cab got its unusual shape.

Searching for Secrets (Smithsonian Channel) Tuesday 20 September 2022 18:00 - 19:00