In this photo taken on Dec. 4, 2009, and released by the Imperial Household Agency of Japan Tuesday, Dec. 22, 2009, Emperor Akihito and Empress Michiko look at books of public signatures collected nationwide to mark the 20th anniversary of his coronation to the world's oldest throne celebrated on Nov. 16, 2009, at Imperial Palace in Tokyo, Japan. Akihito celebrates his 76th birthday Wednesday, Dec. 23, 2009.
(AP Photo/The Imperial Household Agency of Japan)