President of the Republic of Chad and rotating African Union chairperson Idriss Deby (4th R, on stage), President of Rwanda Paul Kagame (2nd L, on stage), Chairperson of the African Union Commission (AUC) Nkosazana Dlamini Zuma (4th L, on stage) and Deputy Chairperson of the AUC Erastus Mwencha (1st L, on stage) attend the opening ceremony of the 27th ordinary session of the AU Heads of States, in Kigali, Rwanda, July 17, 2016. [Photo/Xinhua]