Chinese Vice Premier Han Zheng (C), also a member of the Standing Committee of the Political Bureau of the Communist Party of China Central Committee, visits the exhibition hall after the opening ceremony of the 15th China-ASEAN Expo and the China-ASEAN Business and Investment Summit in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Sept. 12, 2018. (Xinhua/Liu Weibing)