African leaders open summit with focus on anti-corruption

Tunisian Prime Minister Youssef Chahed (1st R) attends the 31st Summit of the African Union (AU) in Nouakchott, the capital of Mauritania, on July 1, 2018. African leaders met here for the 31st AU summit on Sunday, focusing on anti-corruption as well as trade, peace and security. (Xinhua/Zhang Xuefei)