Close up of stagnant sewage, a constant health hazard.Close-up de esgoto estagnado, um constante perigo para a saúde.
Latin American and Iberian Institute / University of New Mexico
Brazil Slide Series Collection: This article is copyrighted by the Latin American & Iberian Institute (LAII) of the University of New Mexico. Rights permission is for standard academic, non-commercial, use of these materials. Proper citation of this material should include title, author, publisher, date, and URL. Copyright Latin American and Iberian Institute University of New Mexico 1994