KIGALI, July 17, 2016 (Xinhua) -- Liberian President Ellen Johnson Sirleaf (C) attends the opening ceremony of the 27th ordinary session of the AU Heads of States, in Kigali, Rwanda, on July 17, 2016. African leaders on Sunday gathered at Rwanda's capital Kigali for their biannual meet with the launch of the continent's first-ever African e-passport. A new AU commission will also be elected to replace the one led by Dlamini Zuma since 2012. (Xinhua/Pan Siwei)