London Diaries Part 3 - Buster Keaton at BFI Southbank and The Hayward Gallery Art, Film, TravelHind Mezaina6 February 2014Hayward Gallery, London Diaries February 2014, London Diaries Part 3 - Buster Keaton at BFI Southbank and The Hayward Gallery, Martin Creed What's the point of it?Comment