Xi Jinping (C), general secretary of the Communist Party of China (CPC) Central Committee, who is also Chinese president and chairman of the Central Military Commission, and the other members of the Standing Committee of the Political Bureau of the CPC Central Committee Li Keqiang (3rd R), Li Zhanshu (3rd L), Wang Yang (2nd R), Wang Huning (2nd L), Zhao Leji (1st R) and Han Zheng visit the site where the first CPC National Congress was held in 1921 in Shanghai, east China, Oct. 31, 2017. (Xinhua/Lan Hongguang)