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TOKYO, JAPAN - AUGUST 15: Japan's Emperor Naruhito (L) and Empress Masako (R) attend the National Memorial Service for War Dead on August 15, 2023 in Tokyo, Japan. Japan marked the 78th anniversary of its surrender in World War II today. (Photo by Tomohiro Ohsumi/Getty Images)

TOKYO, JAPAN - AUGUST 15: Japan's Emperor Naruhito (L) and Empress Masako (R) attend the National Memorial Service for War Dead on August 15, 2023 in Tokyo, Japan. Japan marked the 78th anniversary of its surrender in World War II today.   (Photo by Tomohiro Ohsumi/Getty Images)

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TOKYO, JAPAN - AUGUST 15: Japan's Emperor Naruhito (L) and Empress Masako (R) attend the National Memorial Service for War Dead on August 15, 2023 in Tokyo, Japan. Japan marked the 78th anniversary of its surrender in World War II today. (Photo by Tomohiro Ohsumi/Getty Images)

TOKYO, JAPAN - AUGUST 15: Japan's Emperor Naruhito (L) and Empress Masako (R) attend the National Memorial Service for War Dead on August 15, 2023 in Tokyo, Japan. Japan marked the 78th anniversary of its surrender in World War II today.   (Photo by Tomohiro Ohsumi/Getty Images)

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TOKYO, JAPAN - AUGUST 15: Japan's Emperor Naruhito (R) and Empress Masako (L) bow at the altar during the National Memorial Service for War Dead on August 15, 2023 in Tokyo, Japan. Japan marked the 78th anniversary of its surrender in World War II today. (Photo by Tomohiro Ohsumi/Getty Images)

TOKYO, JAPAN - AUGUST 15: Japan's Emperor Naruhito (R) and Empress Masako (L) bow at the altar during the National Memorial Service for War Dead on August 15, 2023 in Tokyo, Japan. Japan marked the 78th anniversary of its surrender in World War II today.   (Photo by Tomohiro Ohsumi/Getty Images)

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TOKYO, JAPAN - AUGUST 15: Japan's Emperor Naruhito (L) and Empress Masako (R) bow during the National Memorial Service for War Dead on August 15, 2023 in Tokyo, Japan. Japan marked the 78th anniversary of its surrender in World War II today. (Photo by Tomohiro Ohsumi/Getty Images)

TOKYO, JAPAN - AUGUST 15: Japan's Emperor Naruhito (L) and Empress Masako (R) bow during the National Memorial Service for War Dead on August 15, 2023 in Tokyo, Japan. Japan marked the 78th anniversary of its surrender in World War II today.   (Photo by Tomohiro Ohsumi/Getty Images)