Sunday afternoons it´s possible to meet these ladies if you go to Callejón de Hamel. This alley in Havana is the place to be if you are the least interested in rumba or afro-cuban culture.
..then take to the right.. you are in Raval. It has not had the best of reputations but it is transforming slowly to a vibrant and trendy neighborhood in the Catalonian capital.