Uploaded on 2015-06-01 by arkibottoli

In Buenos Aires rain water flows to the river, loosing a highly important resource, in Sao Paulo they must collect each milliliter of water that nature gives to survive. ![ingrese la descripción de la imagen aquí][1] *©Gobierno de la Ciudad de Buenos Aires* [1]: https://edxuploads.s3.amazonaws.com/1433195457602289.jpg