For those who might like to hear the "mind the gap" warning for themselves, can click here:
http://www.youtube.com/watch?v=zkmclPnAy1A&feature=related This is the Bakerloo line you can see in this video (which takes you straight to Baker Street, for all you Sherlock Holmes fans). In my story, Sarah's journey will probably start somewhere on the Central Line, which you can take a short vicarious ride on by clicking this link:
http://www.youtube.com/watch?v=ni0QBP_OgBU&feature=related By the way, that face you see scratched into the door, I've now decided I have to have that in my story too. See how useful youtube research can be? ;)
Ros x