Free-runners Majora, (real name Marwan Elgamal) and Asid (real name Yusuf Yirtici) (R) pose infront of the London Eye August 27, 2008. Freerun, is based on the theory of Parkour, using your body to get from A to B as quickly and efficiently as possible, but its practitioners place greater emphasis on individual expression, creative flow and artistic merit. Picture taken August 27, 2008. REUTERS/Luke MacGregor (BRITAIN)