Huang Kunming, a member of the Political Bureau of the Communist Party of China (CPC) Central Committee, a member of the Secretariat of the CPC Central Committee and head of the Publicity Department of the CPC Central Committee, delivers a keynote speech at the fifteenth theory seminar between the CPC and the Communist Party of Vietnam (CPV) in Guiyang, capital of southwest China's Guizhou Province, on July 21, 2019. [Photo/Xinhua]