31 British athletes reveal what it takes to build an Olympic body on the eve of London 2012. FeaturingAndy Murray, Keri-Anne Payne, Mo Farah, Richard Whitehead, Victoria Pendleton, Christine Ohuruogu, Jessica Ennis, Ben Ainslie, Rebecca Adlington and many more, these intimate portraits of some of Team GB's brightest hopes show how the physical and mental demands of training have never been greater• Best viewed in full screen mode• Watch the film , and then explore the interactive to learn more about each individual and watch exclusive video footage. Read text only version