Searching for Secrets

Smithsonian Channel

Sunday 4 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) Sunday 4 September 2022 18:00 - 19:00