Chad's President and African Union (AU) rotating chairperson Idriss Deby (2nd L front) greets newly-elected AU rotating chairperson Alpha Conde, who is also president of the Republic of Guinea, during the 28th AU summit in Addis Ababa, Ethiopia, on Jan. 30, 2017. The 28th AU summit opened on Monday. It also elected Alpha Conde for a rotating AU chairmanship. (Xinhua/Li Baishun)