Have you ever fallen down a drain and landed in a criminals' secret underground hideout?

@daddybloke No, I live in Manchester. I thought most of the tunnels in London would be filled with the underground railways. Lol :)

@BijouPleasurette no all still there , there are even spare unused lines for the underground ,tunnels that cpme out in westminster, bucks palace etc

@daddybloke Really?