The world's tallest man, Sultan Kosen from Turkey, poses for photographers next to school children at an event in London September 16, 2009. Kosen, who is 2 metres 46.5 cm (8 feet 1 inch) tall and also claims the record for the largest hands and largest feet, attended the event to promote the Guinness World Records 2010 book. [Xinhua/Reuter]