Based on a solar still, http://en.wikipedia.org/wiki/Solar_still http://en.wikipedia.org/wiki/Solar_still, there is the Water Pyramid for villages, http://en.wi

Based on a solar still, http://en.wikipedia.org/wiki/Solar_still http://en.wikipedia.org/wiki/Solar_still, there is the Water Pyramid for villages, http://en.wikipedia.org/wiki/Water_Pyramid http://en.wikipedia.org/wiki/Water_Pyramid and the Water Cone for personal use: http://www.thewatercone.com/Index.html http://www.thewatercone.com/Index.html