To launch one of London's most innovative new exhibitions, The Brutalist Playground, RIBA are hosting an epic evening of activities. What it's all about: - Get involved with this exploration or post-war architecture and urban play - Learn from exiting talks, including a discussion of the history of Brutalism - Catch awesome moving image works based around different styles of architecture - Make new buddies with social skydiving, the art of talking to strangers Plus loads of games, installations and tours to get stuck in to, along with live music from The Amy Grimehouse DJs. Good stuff. Over 18s only, valid ID may be required.