Princess Charlene Wittstock of Monaco plays volleyball with a student of the Shanghai Pudong Special Education School during a visit in Shanghai, March 12, 2012. As a global ambassador for Special Olympics, Princess Charlene, was in Shanghai to promote the movement, accompanied by China's global ambassador Yao Ming, and his wife Ye Li.[Photo/Asianewsphoto]

China's global ambassador for Special Olympics Yao Ming (R) and his wife Ye Li (C) accept self-made gifts from students as Princess Charlene Wittstock (L) of Monaco looks on during their visit to the Shanghai Pudong Special Education School, March 12, 2012. [Photo/Asianewsphoto]