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TOKYO, JAPAN - OCTOBER 22: King Felipe of Spain and his wife Queen Letizia of Spain arrive at the Imperial Palace for the Court Banquets after the Ceremony of the Enthronement of Emperor Naruhito in Tokyo on October 22, 2019. (Photo by SIPA/PIERRE EMMANUEL DELETREE/POOL/Anadolu Agency via Getty Images)

TOKYO, JAPAN - OCTOBER 22: King Felipe of Spain and his wife Queen Letizia of Spain arrive at the Imperial Palace for the Court Banquets after the Ceremony of the Enthronement of Emperor Naruhito in Tokyo on October 22, 2019. (Photo by SIPA/PIERRE EMMANUEL DELETREE/POOL/Anadolu Agency via Getty Images)

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TOKYO, JAPAN - OCTOBER 22: King Willem Alexander of the Netherlands and his wife Queen Maxima of the Netherlands arrive at the Imperial Palace for the Court Banquets after the Ceremony of the Enthronement of Emperor Naruhito in Tokyo on October 22, 2019. (Photo by SIPA/PIERRE EMMANUEL DELETREE/POOL/Anadolu Agency via Getty Images)

TOKYO, JAPAN - OCTOBER 22: King Willem Alexander of the Netherlands and his wife Queen Maxima of the Netherlands arrive at the Imperial Palace for the Court Banquets after the Ceremony of the Enthronement of Emperor Naruhito in Tokyo on October 22, 2019. (Photo by SIPA/PIERRE EMMANUEL DELETREE/POOL/Anadolu Agency via Getty Images)

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TOKYO, JAPAN - OCTOBER 22: Crown Princess Victoria of Sweden and her father Carl XVI Gustaf of Sweden arrive at the Imperial Palace for the Court Banquets after the Ceremony of the Enthronement of Emperor Naruhito in Tokyo on October 22, 2019. (Photo by SIPA/PIERRE EMMANUEL DELETREE/POOL/Anadolu Agency via Getty Images)

TOKYO, JAPAN - OCTOBER 22: Crown Princess Victoria of Sweden and her father Carl XVI Gustaf of Sweden arrive at the Imperial Palace for the Court Banquets after the Ceremony of the Enthronement of Emperor Naruhito in Tokyo on October 22, 2019. (Photo by SIPA/PIERRE EMMANUEL DELETREE/POOL/Anadolu Agency via Getty Images)

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TOKYO, JAPAN - OCTOBER 22: Prince Charles of the United Kingdom arrives at the Imperial Palace for the Court Banquets after the Ceremony of the Enthronement of Emperor Naruhito in Tokyo on October 22, 2019. (Photo by SIPA/PIERRE EMMANUEL DELETREE/POOL/Anadolu Agency via Getty Images)

TOKYO, JAPAN - OCTOBER 22: Prince Charles of the United Kingdom arrives at the Imperial Palace for the Court Banquets after the Ceremony of the Enthronement of Emperor Naruhito in Tokyo on October 22, 2019. (Photo by SIPA/PIERRE EMMANUEL DELETREE/POOL/Anadolu Agency via Getty Images)

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TOKYO, JAPAN - OCTOBER 22: King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema of Bhutan arrive to attend the Court Banquet at the Imperial Palace on October 22, 2019 in Tokyo, Japan. (Photo by David Mareuil/Anadolu Agency via Getty Images)

TOKYO, JAPAN - OCTOBER 22: King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema of Bhutan arrive to attend the Court Banquet at the Imperial Palace on October 22, 2019 in Tokyo, Japan.  (Photo by David Mareuil/Anadolu Agency via Getty Images)