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United Nations Secretary-General Antonio Guterres (L, Front) shakes hands with Palestinian President Mahmoud Abbas during a handover ceremony of the chairmanship of the Group of 77 and China at the UN headquarters in New York, on Jan. 15, 2019. Palestine on Tuesday took over the chairmanship of the Group of 77 and China from Egypt at the United Nations headquarters in New York. (Xinhua/Li Muzi)