A man sits in the General Assembly Hall, United Nations headquarters, in Manhattan, New York. 男子坐在大會堂, 聯合國總部

A man sits in the General Assembly Hall before a plenary meeting of the United Nations Sustainable Development Summit 2015 at the United Nations headquarters in Manhattan, New York, September 25, 2015. World leaders will attend the United Nations Sustainable Development Summit till September 27 at the U.N. headquarters in New York to formally adopt an ambitious new sustainable development agenda. (REUTERS/Andrew Kelly)
Photos of the day - September 25, 2015
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