O rio não está para peixe - II

Synopsis: audio program in which two cousins ​​are after a few years, when one visits the homeland somewhere in the interior of Brazil. The visitor is surprised by the changes that the main river of the region suffered in the period when he was absent, especially when faced with contamination by the flow of sewage, eutrophication and siltation. (Part 2/2)
Source: Unicamp - Embryo Project.
URL: http://www2.ib.unicamp.br/lte/embriao2/visualizarMaterial.php?idMaterial=788