lunes, 2 de diciembre de 2013
martes, 26 de noviembre de 2013
the water and its importance: lucho's speech
![](http://ak5.picdn.net/shutterstock/videos/1413460/preview/stock-footage-liquid-title-water-version-water.jpg)
yesterday, we had an exelent talk about the descomposition, contamination and care of owr most preciated resource, the water.
![](http://www.innovationsworld.net/wp-content/uploads/2012/05/save-water-save-the-earth.jpeg)
also we need to remember the water had been the minimum resource to live during more than 1600 years.
lunes, 30 de septiembre de 2013
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