Moussa Faki Mahamat (L), Chairperson of the African Union (AU) Commission, speaks during a press conference after the closing ceremony of the 30th AU summit in Addis Ababa, capital of Ethiopia, Jan 29, 2018. The 30th African Union (AU) summit concluded on Monday with a call for strengthening the African unity and the fight against corruption. (Xinhua/Lv Shuai)