London Olympics 2012: Let the Games begin!

Check out this great video of the countdown of the London Olympics. Four-time gold medallist Michael Johnson takes us through 26-minutes of London's road to staging the greatest sporting show on the planet. Including exclusive interviews with Usain Bolt, Michael Phelps, David Beckham, Jessica Ennis, Vivian Cheruiyot, Danny Boyle, Seb Coe and others.