Bian Xiangqing, president of the UNESCO's Intergovernmental Oceanographic Commission, delivers a keynote speech during the 2014 Qingdao China International Ocean Summit Forum in Qingdao, east China's Shandong Province, Oct. 15, 2014. Over 500 experts from 13 countries and international organizations took part in the forum. (Xinhua/Li Ziheng)