![Secrets of the London Underground](https://image.tmdb.org/t/p/w342/AvSPoTEjRIHneuCQxDijsTZlwVC.jpg)
4 Season
26 Episode
Secrets of the London Underground - Season 2 Episode 5 London Bridge and Ongar
Tim and Siddy explore the disused parts of London Bridge. Siddy visits Ongar in Essex, and nearby Blake Hall which, at the end, served less than 20 passengers a day.
- Year: 2023
- Country: United Kingdom
- Genre: Documentary
- Studio: U&Yesterday
- Keyword: subway
- Director:
- Cast: Tim Dunn, Sigurbjörg Alma Ingólfsdóttir