永井教授、平和首長会議主催「ヒロシマ平和行政実務者研修」で「被爆と復興―何をどう伝えるか？」と題して特別講演（於：広島国際会議場研修室）
Prof. Nagai gives a special lecture entitled, “The A-bombing and Reconstruction of Hiroshima: What Experiences to Transmit and How?” at the “Hiroshima Peace Administration Training Program” organized by Mayors for Peace at the International Conference Center Hiroshima.