In this photo provided by Imperial Household Agency of Japan, Japan's Princess Aiko smiles in front of a horse at the agency's stable in Tokyo on Nov. 21, 2022. Aiko celebrates her 21st birthday on Dec. 1, 2022.(Imperial Household Agency of Japan via AP)
PARIS, FRANCE - SEPTEMBER 11: Japan's Crown Prince Naruhito arrives at the National Assembly on September 11, 2018 in Paris, France. Crown Prince Naruhito, who will become Emperor on May 1, 2019, is visiting France from September 7 to 15, as part of the 160th anniversary of the signing of the first diplomatic and trade treaty between France and Japan. (Photo by Chesnot/Getty Images)
