Emperor Akihito and Empress Michiko returned to Tokyo on Thursday, after wrapping up their three-day visit to Okinawa to pay tribute to the war dead, possibly their final trip to the major World War II battlefield before the emperor's abdication next year.Their 11th trip to the prefecture was arranged following a strong desire expressed by the emperor and empress who have long felt sympathy for Okinawa, where around a quarter of the residents died in a three-month ground battle in 1945.The imperial couple visited the National War Dead Peace Mausoleum in the city of Itoman on the main island…READ FULL ARTICLE