Japanese Emperor Akihito (3rd L) and Empress Michiko (4th L) wave to well-wishers with Crown Prince Naruhito (2nd L), Crown Princess Masako (L), Prince Akishino (4th R), Prince Kiko (3rd R), Princess Mako (2nd R) and Princess Kako (R) from the balcony of the Imperial Palace in Tokyo on December 23, 2015. Thousands of people gathered at the palace to celebrate Emperor Akihito's 82nd birthday.    AFP PHOTO / TOSHIFUMI KITAMURA / AFP / TOSHIFUMI KITAMURA        (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)