Searching for Secrets

Smithsonian Channel

Sunday 11 September 2022  16:00 - 17:00 (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 11 September 2022 16:00 - 17:00