Explore Secret Stories Clerkenwell: Clowns & Radicals 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 Clerkenwell\'s hidden history in this walking tour! From the most famous clown in Britain to the area\'s secret radical past, you\'ll uncover some surprising facts about Clerkenwell, as well as getting to know some of its most interesting spots. Total length: 2.48 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!