The ceremony is held on the first day of the Lunar New Year at Thai Hoa Palace and Can Chanh Palace.
Some images at the ceremony:
Mandarins line up in two rows at Thai Hoa Palace’s courtyard and extend Tet greetings to the King
Mandarins read New Year greetings
Music and dance groups perform at Thai Hoa Palace’s courtyard
Princes extend Tet greetings to the King