This handout photo taken on August 7, 2016 and released on August 8 by the Imperial Household Agency, shows Japanese Emperor Akihito addressing a speech to the nation at the Imperial Palace in Tokyo. Emperor Akihito said on August 8, his advancing age and weakening health mean he may no longer be able to carry out his duties, setting the stage for Japan to prepare for an historic abdication. / AFP PHOTO / IMPERIAL HOUSEHOLD AGENCY / IMPERIAL HOUSEHOLD AGENCY