Searching for Secrets

Smithsonian Channel

Saturday 8 October 2022  13:00 - 14:00 (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) Saturday 8 October 2022 13:00 - 14:00