Japanese Crown Prince Akishino, right, (R) leaves the ceremony hall with Crown Princess Akishino, center rear, after his brother Emperor Naruhito proclaimed his enthronement at the Imperial Palace in Tokyo, Japan, Tuesday, Oct. 22, 2019. (Kimimasa Mayama/Pool Photo via AP)
Japan’s Empress Masako arrives to attend a ceremony to proclaim Emperor Naruhito’s enthronement at the Imperial Palace in Tokyo on October 22, 2019. (Photo by Kimimasa MAYAMA / POOL / AFP)
Emperor Naruhito officially proclaims his ascension to the Chrysanthemum throne during an enthronement ceremony at the Imperial Palace in Tokyo on October 22, 2019. (Photo by STR / Japan Pool via Jiji Press / AFP) / Japan OUT
Empress Masako attends the enthronement ceremony where Emperor Naruhito officially proclaimed his ascension to the Chrysanthemum Throne at the Imperial Palace in Tokyo on October 22, 2019. (Photo by Kazuhiro NOGI / POOL / AFP)
Crowd gather to watch firing artilleries to mark the proclamation of Japan’s Emperor Naruhito’s ascension to the throne at a park in Tokyo on October 22, 2019. (Photo by CHARLY TRIBALLEAU / AFP)
Emperor Naruhito (C) leaves the state room (Matsu-no-Ma) at the end of the enthronement ceremony where emperor officially proclaimed his ascension to the Chrysanthemum Throne at the Imperial Palace in Tokyo on October 22, 2019. (Photo by Kazuhiro NOGI / POOL / AFP)
Japan Self-Defense Forces fire artilleries to mark the proclamation of Japan’s Emperor Naruhito’s ascension to the throne at a park in Tokyo on October 22, 2019. (Photo by CHARLY TRIBALLEAU / AFP)
People gather to celebrate at outside the Imperial Palace after the enthronement ceremony for the 59-year-old Emperor Naruhito, Tuesday, Oct. 22, 2019, in Tokyo, Japan. (AP Photo/Jae C. Hong)