Explore Secret Stories An Olympic Odyssey Tour , a self-guided interactive walking tour to enjoy whenever you want. This audio tour is part of an Ordnance Survey series of bite-sized, tongue-in-cheek stories. Expect nutty nature, smelly smugglers, raucous royals you get the idea. This walk takes you from the Olympic Park to the heart of the East End via some of London\'s most scenic canals. On the way you\'ll meet a leading suffragette, explore a Chinese pagoda, and learn about the history of the Blitz in Bow. Total length: 3.79 miles; Suggested age range: 11+ 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!