Japan's Prime Minister Shinzo Abe (R) shouts "banzai", as he cheers for Emperor Naruhito (top L) and Empress Masako at a ceremony to proclaim the emperor's enthronement to the world, called Sokuirei-Seiden-no-gi, at the Imperial Palace in Tokyo, Japan, on Oct 22, 2019. (Photos: China Daily)

Japan's Emperor Naruhito arrives at the Imperial Palace on the day he is formally enthroned in Tokyo, Japan, on Oct 22, 2019.

Japan's Emperor Naruhito attends a ceremony to proclaim his enthronement to the world, called Sokuirei-Seiden-no-gi, at the Imperial Palace in Tokyo, Japan, on Oct 22, 2019.

Japan's Prime Minister Shinzo Abe walks past Emperor Naruhito during a ceremony to proclaim his enthronement to the world, called Sokuirei-Seiden-no-gi, at the Imperial Palace in Tokyo, Japan, on Oct 22, 2019.

People wait for Japan's Emperor Naruhito to depart the Imperial Palace after the enthronement ceremony in Tokyo, Japan, on Oct 22, 2019.