01/01/2012 OPPTA - Castro / Guerra / Mazo (BR) Edgar Ignacio Mazo Zapata Gonzalo Castro Fernández-Palacios José Ramón Guerra del Moral Brazil 67 kilometers from Rio de Janeiro, Petrópolis has experienced a fast-paced process of informal growth that has respected neither the areas of environmental protection nor those prone to flooding. The new morpheme (smallest residential unit) is based