A photo exhibition chronicling major episodes during Emperor Akihito's 30-year reign opened at Tokyo International Forum on Saturday before his scheduled abdication in April next year.On display at the exhibition titled "Footprints of The Heisei Era - A news agency as eyewitness" are about 130 photos, taken after Emperor Akihito, now 84, ascended the Chrysanthemum throne in 1989 upon the death of his father Hirohito, posthumously known as Emperor Showa.These photos include the fall of the Berlin Wall in 1989, Emperor Akihito's historic trip to China in 1992, the Tokyo subway gas attack in 1…READ FULL ARTICLE