Li Jinghai, vice-president of Chinese Academy of Science, speaks at the Urban Health and Wellbeing - International Programme Meeting in Xiamen, southeast China's Fujian Province, Dec. 9, 2014. About 60 experts attended the meeting of Urban Health and Wellbeing International Programme held by International Council for Science (ICSU), InterAcademy Medical Panel and United Nations University at the Institute of Urban Environment of Chinese Academy of Science on Tuesday. (Xinhua/Lin Shanchuan)