Yu Zhengsheng (C, rear), chairman of the National Committee of the Chinese People's Political Consultative Conference (CPPCC), also a member of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee, attends a symposium marking the 100th anniversary of the birth of Ding Guangxun, late Chinese Christian leader Bishop, in Beijing, capital of China, Sept. 22, 2015. (Xinhua/Ding Lin)