Yao Ming and Liu Xiang are seen on billboard

　　China's top atheletes Yao Ming (L) and Liu Xiang are seen with the Olympic torch on a roadside advertisement billboard along a Qingdao street, 24 August 2007, in eastern China's Shandong province. Either the NBA star Yao or world record hurdler Liu are seen as favourites to be the final torch bearer to ignite the flame to officially begin the 2008 Olympics in Beijing next August. AFP PHOTO/Frederic J. BROWN