SINGAPORE, July 18, 2016 (Xinhua) -- Zheng Yongnian, director of the East Asian Institute at the National University of Singapore (NUS), delivers a keynote speech at the Think Tank Seminar on South China Sea and Regional Cooperation and Development held in Singapore, July 18, 2016. Organized by the Institute of Chinese Borderland Studies, Chinese Academy of Social Sciences, the seminar attracted more than 20 experts from academic institutes in China and countries in the region, including Singapore, Indonesia, Malaysia and India. (Xinhua/Then Chih Wey)
