Zhang Dejiang, member of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee, and chairman of the Standing Committee of China's National People's Congress, attends a friendly exchange activity of people between the two countries in Hanoi, Vietnam, Nov. 9, 2016. Zhang paid a friendly official visit to Vietnam from Nov. 8 to 11. (Xinhua/Pang Xinglei)