Ключевые слова: brook, caminho das esculturas, cityscape, complexo turstico da cachoeira, dam, dike, drinking water, ecology, garbage, illness, landscape, memorial do rio tiete, parque natural ilha da usina, polluted, pollution, ponte pnsil, reservoir, rio tiete, river, salto, sao paulo, scum, sickness, soap, stream, streamlet, suds, tiete river, trash, unsafe, water, watterfall, wealth,