William Lacy Swing (L front), Director General of the International Organization of Migration (IOM) shakes hands with United Nations Secretary-General Ban Ki-moon as IOM officially joined the UN during the United Nations High-level plenary meeting on addressing large movements of refugees and migrants, at the UN headquarters in New York, the United States, on Sept. 19, 2016. U.N. Secretary-General Ban Ki-moon on Monday called for more collective efforts to address the challenge of human mobility, saying that "acting together, we can respond to rising xenophobia and turn fear into hope." (Xinhua/Li Muzi)
