23 September 2018, United Nations, New York, USA - FAO Director-General José Graziano da Silva, left, and Peace Nobel Laureate Professor Muhammad Yunus, right, meeting Ms. Graca Machel, center, on the occasion of awarding her with a Honorary Award to Nelson Mandela as Member of FAO-Nobel Peace Prize Laureates Alliance on Food Security and Peace. UN General Assembly, 73rd Session (UNGA 73).