Celebrations and festivals make up a cornerstone in human history and are used to mark momentous occasions, or as is the case with the guest and celebration today, to effect massive, positive change. Alison Camps is the co-chair of Pride In London and she has been instrumental in making Pride In London more accessible to marginalised groups and today's episode unpicks how Pride in London was conceived, how it works with Regent Street and the behind the scenes mechanisms that enable this brilliant event to take place.