By Chesney Hearst, Senior Contributing Reporter
RIO DE JANEIRO, BRAZIL – The Carnival street parties known as blocos are back in Rio this weekend with the Abertura não oficial do Carnaval do Rio de Janeiro (the unofficial opening of Rio de Janeiro's Carnival) taking place on Saturday January 3rd at Praça XV and the blocos Céu na Terra and Rio Maracatu parading and performing as part of Fundição Progresso's 10th National Marchinhas (a style of Carnival song) Competition to be held in Lapa on Sunday, January 4th.
First on Saturday, the . . .