Revelers dance during an unofficial street party called "blocos" in Rio de Janeiro, Brazil, Thursday, April 21, 2022. The municipality of Rio de Janeiro postponed the annual samba school Carnival parades to April 22 - 23, but City Hall refused to grant authorization to the more than 500 blocos that accompany Carnival celebrations, claiming it lacked sufficient time to prepare. (AP Photo/Bruna Prado)