Mourners of China's late former Communist Party chief Zhao Ziyang write on the 'Wall of Democracy' beside the alter for Zhao in Hong Kong, the only city in China where public mourning of Zhao is not banned, January 19, 2005. The United States on Tuesday called China's purged chief Zhao, who opposed the 1989 crackdown on pro-democracy protesters, a "man of moral courage" as Beijing played down coverage of his death. Chinese characters beside Zhao's photograph read 'To mourn Ziyang, to vindicate June 4th (1989 pro-democracy movement). REUTERS/Bobby Yip BY/LA