Australian swimmer Kenrick Monk stretches during an Olympics training session at the main pool of the Aquatics Centre in London. REUTERS/David Gray
South Africa's Dale Steyn (R) celebrates after dismissing England's Graeme Swann for his fifth wicket during their first cricket test at the Oval in London. REUTERS/Philip Brown
Switzerland's Roger Federer returns the ball during an Olympics training session at the All England Lawn Tennis Club in London. REUTERS/Stefan Wermuth
US Olympic basketball player Kobe Bryant attends a training session at Palau Sant Jordi in Barcelona, Spain. REUTERS/Gustau Nacarino
National Youth Theatre performers take part in the welcome ceremony at the Athletes Village at the Olympic Park in Stratford in east London. REUTERS/Olivia Harris
Commentator and former Australian cricketer Shane Warne faces a television camera after the first test between England and South Africa at the Oval in London. REUTERS/Philip Brown
Japan goalkeeper Shuichi Gonda dives to block a shot at a goal during an Olympics training session in Glasgow, Scotland. REUTERS/David Moir