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United Nations Secretary-General Antonio Guterres addresses the opening of the United Nations Association of the United States of America (UNA-USA) 2019 Global Engagement Summit at the UN headquarters in New York, on Feb. 22, 2019. Antonio Guterres on Friday called for stronger political will in tackling some of the challenges that are becoming "more global" and "more integrated." (Xinhua/Li Muzi)
