David Beckham in Beijing Olympic handover to London 2012

David Beckham will be joined by Leona Lewis and the London mayor Boris Johnson.
Lewis, 23, is said to be singing a duet with Led Zeppelin's Jimmy Page for the event.
Beckham will be driven into China's national stadium, the Bird's Nest, onboard an iconic Routemaster bus, before dismounting to kick footballs with children representing every country in the world.