Gụọ ebe a ma zaa ajụjụ a na-eso ya n'otu asụsụ ahụ e ji dee ebe a: Ebe a: E debanyere Citadel na UNESCO World Heritage Sites na June 27, 2011. Ajụjụ: Mgbe Citadel ghọrọ UNESCO World Heritage Site?
June 27, 2011