The Rio de Janeiro Carnival 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 carnival, samba schools compete in grand parades at the Sambadrome, presenting themed performances that include dancing, music, and intricate floats. The festival lasts for several days, featuring street parties, known as blocos, where locals and tourists celebrate together, creating a lively and festive atmosphere throughout the city.