epa11173956 (R-L) Japanese Crown Prince Akishino, Crown Princess Kiko and Princess Kako greet well-wishers from the balcony of the Imperial Palace in Tokyo, Japan 23 February 2024. Japanese Emperor Naruhito appeared to greet the public on his 64th birthday, flanked by Empress Masako and other members of the Japanese Royal Family. EPA/YOSHIKAZU TSUNO / POOL

epa11173949 Japanese Emperor Naruhito and Empress Masako wave to well-wishers from the balcony of the Imperial Palace in Tokyo, Japan 23 February 2024. Emperor Naruhito appeared to greet the public on his 64th birthday, flanked by Empress Masako and other members of the Japanese Royal Family. EPA/YOSHIKAZU TSUNO / POOL

epa11173928 Police officers escort well-wishers arriving for the appearance of Emperor Naruhito at the Imperial Palace in Tokyo, Japan, 23 February 2024. Emperor Naruhito appeared to greet the public on his 64th birthday, flanked by Empress Masako and other members of the Japanese Royal Family. EPA/Tomohiro Ohsumi / POOL