A behind the scenes look alongside the underground army that keeps the Tube running as it travels the equivalent of six times around the world every day. Join Charlotte and others on the team as they work to keep the Piccadilly Line ...See moreA behind the scenes look alongside the underground army that keeps the Tube running as it travels the equivalent of six times around the world every day. Join Charlotte and others on the team as they work to keep the Piccadilly Line running despite unexpected maintenance issues. Written by
Ian Scheil
See less