The Carnaval de Río de Janeiro is an annual festival held in Rio de Janeiro, Brazil, typically before Lent. It is famous for its vibrant parades, samba music, and elaborate costumes. The event attracts millions of visitors from around the world, showcasing the rich cultural heritage of Brazil. During the carnaval, samba schools compete in grand parades at the Sambadrome, presenting themed performances that include dancing, music, and intricate floats. The festival also features street parties, known as blocos, where locals and tourists join together to celebrate with music and dance throughout the city.