Explore Secret Stories London\'s Prison, Fire & Romans Tour, a self-guided interactive walking tour to enjoy whenever you want. This tour is part of an Ordnance Survey series of bite-sized, tongue-in-cheek stories for you to read out loud. Expect nutty nature, smelly smugglers, raucous royals you get the idea. Discover London’s Roman past with a visit to the wall that once defended the city. Uncover the goings-on of a very notorious prison and the church’s role in it. Learn all about the Great Fire of London and why Londoner’s preferred drinking beer over water. Total length: 1.49 miles; Suggested age range: 7+ Purchase this Tour (and more) in the Secret Stories App, available for free download from Android Play and Apple App store. You\'ll find more details of the tour and what it contains in the app!