A followup article by the Peterborough Examiner (with a few errors).
http://www.thepeterboroughexaminer.com/2013/07/06/memorable-underground-railway-journey
A followup article by the Peterborough Examiner (with a few errors).
http://www.thepeterboroughexaminer.com/2013/07/06/memorable-underground-railway-journey