Emperor Naruhito of Japan (seen on a screen) delivers a speech during the ceremony for the 50th Anniversary of Okinawa's reversion to Japan from U.S. occupation in Tokyo, Japan May 15, 2022. Rodrigo Reyes Marin/Pool via REUTERS 

Rahm Emanuel Ambassador of the United States to Japan greets Emperor Naruhito and Empress Masako of Japan (on a screen) after delivering his speech during the ceremony for the 50th Anniversary of Okinawa's reversion to Japan from U.S. occupation in Tokyo, Japan May 15, 2022. Rodrigo Reyes Marin/Pool via REUTERS 

Japan's Emperor Naruhito (on a screen) delivers a speech during the ceremony for the 50th Anniversary of Okinawa's reversion to Japan from U.S. occupation, in Tokyo, Japan, May 15, 2022. Rodrigo Reyes Marin/Pool via REUTERS 

Japan's Emperor Naruhito and Empress Masako are seen on a screen during the ceremony for the 50th Anniversary of Okinawa's reversion to Japan from U.S. occupation, in Tokyo, Japan, May 15, 2022. Rodrigo Reyes Marin/Pool via REUTERS 

Japan's Emperor Naruhito and Empress Masako are seen on a screen during the ceremony for the 50th Anniversary of Okinawa's reversion to Japan from U.S. occupation, in Tokyo, Japan, May 15, 2022. Rodrigo Reyes Marin/Pool via REUTERS 

A general view during the Japan Prize presentation ceremony attended by Japan's Emperor Naruhito and Empress Masako, in Tokyo, Japan April 13, 2022. Eugene Hoshiko/Pool via REUTERS 

Japan's Emperor Naruhito delivers a speech during the Japan Prize presentation ceremony in Tokyo, Japan April 13, 2022. Eugene Hoshiko/Pool via REUTERS 

Japan's Emperor Naruhito and Empress Masako attend the Japan Prize presentation ceremony in Tokyo, Japan April 13, 2022. Eugene Hoshiko/Pool via REUTERS 

Japan's Emperor Naruhito and Empress Masako attend the Japan Prize presentation ceremony in Tokyo, Japan April 13, 2022. Eugene Hoshiko/Pool via REUTERS 

Japan's Emperor Naruhito, wearing a protective face mask, attends the opening of an extraordinary session of parliament, amid the coronavirus disease (COVID-19) pandemic, in Tokyo, Japan December 6, 2021. REUTERS/Issei Kato 

Japan's Emperor Naruhito, wearing a protective face mask, attends the opening of an extraordinary session of parliament, amid the coronavirus disease (COVID-19) pandemic, in Tokyo, Japan December 6, 2021. REUTERS/Issei Kato 

Japan's Emperor Naruhito, wearing a protective face mask, declares the opening of an extraordinary session of parliament, amid the coronavirus disease (COVID-19) pandemic, in Tokyo, Japan December 6, 2021. REUTERS/Issei Kato 

Japan's Emperor Naruhito, wearing a protective face mask, declares the opening of an extraordinary session of parliament, amid the coronavirus disease (COVID-19) pandemic, in Tokyo, Japan December 6, 2021. REUTERS/Issei Kato 

Tokyo 2020 Paralympic Games - The Tokyo 2020 Paralympic Games Opening Ceremony - Olympic Stadium, Tokyo, Japan - August 24, 2021. Japan's Emperor Naruhito speaks next to Japan's Prime Minister Yoshihide Suga during the opening ceremony. REUTERS/Molly Darlington 

Tokyo 2020 Paralympic Games - The Tokyo 2020 Paralympic Games Opening Ceremony - Olympic Stadium, Tokyo, Japan - August 24, 2021. Japan's Emperor Naruhito and Japan's Prime Minister Yoshihide Suga during the opening ceremony REUTERS/Bernadett Szabo 

Tokyo 2020 Paralympic Games - The Tokyo 2020 Paralympic Games Opening Ceremony - Olympic Stadium, Tokyo, Japan - August 24, 2021. International Paralympic Committee President Andrew Parsons, Japan's Emperor Naruhito and Japan's Prime Minister Yoshihide Suga during the opening ceremony REUTERS/Athit Perawongmetha 

Tokyo 2020 Paralympic Games - The Tokyo 2020 Paralympic Games Opening Ceremony - Olympic Stadium, Tokyo, Japan - August 24, 2021. International Paralympic Committee president Andrew Parsons and Japan's Emperor Naruhito wave before the opening ceremony REUTERS/Lisi Niesner 

Tokyo 2020 Paralympic Games - The Tokyo 2020 Paralympic Games Opening Ceremony - Olympic Stadium, Tokyo, Japan - August 24, 2021. International Paralympic Committee president Andrew Parsons and Japan's Emperor Naruhito wave before the opening ceremony REUTERS/Lisi Niesner 

Japan's Emperor Naruhito (R) and Empress Masako wearing protective masks bow during a memorial service marking the 76th anniversary of the end of World War II in Tokyo, Japan August 15, 2021. Toru Hanai/Pool via REUTERS 

Japan's Emperor Naruhito (R) and Empress Masako wearing protective masks, observe a moment of silence during a memorial service marking the 76th anniversary of the end of World War II in Tokyo, Japan, August 15, 2021. Toru Hanai/Pool via REUTERS 

Japan's Emperor Naruhito (R) and Empress Masako wearing protective masks, observe a moment of silence during a memorial service marking the 76th anniversary of the end of World War II in Tokyo, Japan, August 15, 2021. Toru Hanai/Pool via REUTERS 

Japan's Emperor Naruhito, (R on stage), and Empress Masako attend a memorial service marking the 76th anniversary of the end of World War II in Tokyo, Japan August 15, 2021. Toru Hanai/Pool via REUTERS 

Yoshihide Suga (L), Japan's prime minister, walks past Japan's Emperor Naruhito, and Empress Masako, as he delivers a speech during a memorial service marking the 76th anniversary of the end of World War II in Tokyo, Japan, August 15, 2021. Toru Hanai/Pool via REUTERS 

Japan's Emperor Naruhito (L) and Empress Masako wearing protective masks bow as they leave a memorial service marking the 76th anniversary of the end of World War II in Tokyo, Japan August 15, 2021. Toru Hanai/Pool via REUTERS 

Japan's Emperor Naruhito (L) and Empress Masako wearing protective masks attend a memorial service marking the 76th anniversary of the end of World War II in Tokyo, Japan August 15, 2021. Toru Hanai/Pool via REUTERS 

Yoshihide Suga (C), Japan's prime minister, walks past Japan's Emperor Naruhito, and Empress Masako, after delivering a speech during a memorial service marking the 76th anniversary of the end of World War II in Tokyo, Japan August 15, 2021. Toru Hanai/Pool via REUTERS 

Yoshihide Suga (C), Japan's prime minister, walks past Japan's Emperor Naruhito, and Empress Masako, after delivering a speech during a memorial service marking the 76th anniversary of the end of World War II in Tokyo, Japan, August 15, 2021. Toru Hanai/Pool via REUTERS 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. International Olympic Committee (IOC) President Thomas Bach, Japan's Emperor Naruhito and Japanese Prime Minister Yoshihide Suga wear protective face masks during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito gives a speech during the opening ceremony REUTERS/Phil Noble 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito gives a speech during the opening ceremony REUTERS/Phil Noble 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito gives a speech during the opening ceremony REUTERS/Phil Noble 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and Japan's Prime Minister Yoshihide Suga during the opening ceremony REUTERS/Stefan Wermuth 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito wearing a protective face mask during the opening ceremony Pool via REUTERS/Leon Neal 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito wearing a protective face mask during the opening ceremony Pool via REUTERS/Leon Neal 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito wearing a protective face mask makes a speech during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito wearing a protective face mask makes a speech during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito wearing a protective face mask makes a speech during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and Japanese Prime Minister Yoshihide Suga are pictured wearing protective face masks during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito wearing a protective face mask makes a speech during the opening ceremony REUTERS/Kai Pfaffenbach 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito wearing a protective face mask makes a speech during the opening ceremony REUTERS/Kai Pfaffenbach 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and Japanese Prime Minister Yoshihide Suga are pictured wearing protective face masks during the opening ceremony REUTERS/Kai Pfaffenbach 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and International Olympic Committee (IOC) President Thomas Bach applauds during the opening ceremony Pool via REUTERS/Leon Neal 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito listens to the speech of International Olympic Committee (IOC) President Thomas Bach during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito listens to the speech of International Olympic Committee (IOC) President Thomas Bach during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and International Olympic Committee (IOC) President Thomas Bach during the opening ceremony Pool via REUTERS/Leon Neal 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. International Olympic Committee (IOC) President Thomas Bach and Japan's Emperor Naruhito wearing a protective face masks wave during the opening ceremony REUTERS/Dylan Martinez 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and Japan's Prime Minister Yoshihide Suga during the opening ceremony REUTERS/Phil Noble 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. International Olympic Committee (IOC) President Thomas Bach, Japan's Emperor Naruhito and Japanese Prime Minister Yoshihide Suga are pictured wearing protective face masks during the opening ceremony REUTERS/Kai Pfaffenbach 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. International Olympic Committee (IOC) President Thomas Bach, Japan's Emperor Naruhito and Japanese Prime Minister Yoshihide Suga are pictured wearing protective face masks during the opening ceremony REUTERS/Kai Pfaffenbach 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and Japan's Prime Minister Yoshihide Suga during the opening ceremony REUTERS/Phil Noble 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and Japan's Prime Minister Yoshihide Suga during the opening ceremony REUTERS/Phil Noble 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito during the opening ceremony REUTERS/Stefan Wermuth 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and President of the International Olympic Committee Thomas Bach are seen during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and President of the International Olympic Committee Thomas Bach are seen during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and President of the International Olympic Committee Thomas Bach are seen during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito and Japan's Prime Minister Yoshihide Suga during the opening ceremony REUTERS/Stefan Wermuth 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. President of the International Olympic Committee Thomas Bach bows to Japan's Emperor Naruhito during the opening ceremony REUTERS/Mike Blake 

Tokyo 2020 Olympics - The Tokyo 2020 Olympics Opening Ceremony - Olympic Stadium, Tokyo, Japan - July 23, 2021. Japan's Emperor Naruhito attends the opening ceremony REUTERS/Marko Djurica