Godfrey Baldacchino, UNESCO co-chair in Island Studies and Sustainability, also Pro-Rector for International Development of University of Malta, attends the session of "21st Century Maritime Silk Road：Islands Economic Cooperation" during the Boao Forum for Asia Annual Conference 2018 in Boao, south China's Hainan Province, April 9, 2018. (Xinhua/Yang Guanyu)