Nastia Liukin of the U.S. displays her balance beam gold medal during the medal ceremony at the 40th World Artistic Gymnastics Championships in Stuttgart September 9, 2007. The gold medal of the women's balance beam competition was won by Nastia Liukun of the U.S. followed by Romania's silver medalist Stelania Nistor and China's bronze medal winner Li Shanshan. REUTERS/Wolfgang Rattay (GERMANY)