缅北禁地

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portrait of former Secretary-General Ban Ki-moon

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2007-2016

portrait of former Secretary-General Kofi Annan

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1997-2006

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portrait of former Secretary-General Boutros Boutros-Ghali

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1992-1996

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portrait of former Secretary-General Javier Perez de Cuellar

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1982-1991

portrait of former Secretary-General Kurt Waldheim

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1972-1981

portrait of former Secretary-General U Thant

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1961-1971

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portrait of former Secretary-General Dag Hammarskj?ld

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1953-1961

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portrait of former Secretary-General Trygve Lie

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1946-1952

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