Naruhito: Ancient ritual of Japan's emperor ascending throne - BBC News
Japan's Emperor Naruhito formally proclaims his ascension to the throne in an elaborate ceremony.
Emperor Naruhito and his wife Empress Masako were unveiled on their respective thrones in an elaborate ceremony held in the Japanese capital Tokyo.

After the emperor read out a formal proclamation, Prime Minister Shinzo Abe delivered a congratulatory address, ending with shouts of "Banzai, banzai!", which means "long live the emperor".