Xi Jinping (C), general secretary of the Central Committee of the Communist Party of China (CPC) and Chairman of the CPC Central Military Commission, visits members of the 12th National Committee of the Chinese People's Political Consultative Conference (CPPCC) from the science and technology sector and joins their panel discussion in Beijing, capital of China, March 4, 2013. Yu Zhengsheng, a Standing Committee member of the Political Bureau of the CPC Central Committee, who is also the executive chairperson of the presidium of the first session of the 12th CPPCC National Committee, also attended the activity. (Xinhua/Li Xueren)