Isabell Werth of Germany riding Satchmo performs during the equestrian dressage grand prix competition at the Beijing 2008 Olympic Games in Hong Kong August 14, 2008. REUTERS/Bobby Yip (CHINA)

Isabell Werth of Germany riding Satchmo performs during the equestrian dressage grand prix competition at the Beijing 2008 Olympic Games in Hong Kong August 14, 2008.   REUTERS/Bobby Yip  (CHINA)