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Japan's Emperor Naruhito, third left and other members of the Japanese royal family wave to members of the public during the New Year's appearance by the Japanese royal family at the Imperial Palace in Tokyo, Japan, on Thursday, Jan. 2, 2020. Naruhito inherited the throne after his father, former Emperor Akihito, in October last year, became the first Japanese emperor in two centuries has abdicated, citing poor health. Photographer: Toru Hanai/Bloomberg via Getty Images

Japan's Emperor Naruhito, third left and other members of the Japanese royal family wave to members of the public during the New Year's appearance by the Japanese royal family at the Imperial Palace in Tokyo, Japan, on Thursday, Jan. 2, 2020. Naruhito inherited the throne after his father, former Emperor Akihito, in October last year, became the first Japanese emperor in two centuries has abdicated, citing poor health. Photographer: Toru Hanai/Bloomberg via Getty Images