Japan's Emperor Akihito (L), Empress Michiko (2nd L), Crown Prince Naruhito (3rd L) and his wife Princess Masako (4th L), Prince Akishino (3rd R) and his wife Princess Kiko (2nd R), and Princess Mako (R) stand on a hill to greet guests during the spring garden party at the Akasaka Palace imperial garden in Tokyo on April 27, 2016.
The Japanese royal family host garden parties annually, once in the spring and another in the autumn.  / AFP / POOL / Shizuo Kambayashi        (Photo credit should read SHIZUO KAMBAYASHI/AFP/Getty Images)