Wang Yiren (front, R), vice-chairman of the China Atomic Energy Authority, and Shi Zhongjun (front, L), China's Permanent Representative to the United Nations and other International Organizations in Vienna, attend a board of governors meeting of the International Atomic Energy Agency (IAEA) at the IAEA headquarters in Vienna, capital of Austria, on Sept. 19, 2016. (Xinhua/Qian Yi)