Sun Zhengcai(4th R front), a member of the Political Bureau of the Communist Party of China (CPC) Central Committee and head of the CPC Chongqing Municipal Committee, Chinese Vice President Li Yuanchao(4th L front), and other guests pose for a group photo before the China International Friendship Cities Conference 2016 in Chongqing, southwest China, Nov. 10, 2016. (Xinhua/Tang Yi)