Hou Hsiao-hsien (R), chairman of Golden Horse Film Festival, presents a Festival Ambassador trophy to actress Maggie Cheung during a press conference marking the beginning of the 50th anniversary celebration of the Festival in Taipei, southeast China's Taiwan, May 27, 2013. Maggie Cheung, the actress who won the most Golden Horse Awards so far, is appointed as the 2013 Golden Horse Film Festival Ambassador on Monday. (Xinhua)