http://isupportorganic.blogspot.com-10/17/13
The world has known jugs, taps, plants etc that are used to filter water, but imagine a 50 feet tall billboard on the main road that filters water for all of its adjacent area ? Yes, this has been made possible by the University of Engineering and Technology, Lima, Peru.
This billboard is capable of actually making 100 liters (26 gallons) of water everyday out of thin air (no its not a bank and no its not creating any paper currency but it’s much better than that). It works like this: the billboard is designed the way that it captures moisture from the air and puts it through a reverse osmosis system, turning it into drinking water which is then stored in 20 liter tanks. It is capable of providing drinking water for hundreds of families per month.
Read more at http://isupportorganic.blogspot.com/2013/10/billboard-in-peru-produces-water-out-of.html#wKxAf1KIKGfFztl3.99
