Paulo Cesar da Silva (R) and Paulo Cesar (L) sell chocolates and penauts in a street of Rio de Janeiro, Brazil, 13 May 2008. Brazil, which on 13 May 2008, celebrates 120 years of the abolition of the slavery, will have this year a majority of black and mulatto population, as revealed a study spread in the capital by the 'Institute of Economic Applied Inquiry' (IPEA). EPA/MARCELO SAY?