London 2012: behind the scenes of a successful edition of the Games

Nine million tickets sold, highlights which included American swimmer Michael Phelps and Jamaican sprinter Usain Bolt, impeccable organisation – and some notable technological experiments: 3D, multi-channel sound, 8K cameras. London 2012 was also 3.6 billion viewers, and, behind the scenes, 20,000 journalists and media technicians!