A billboard that produces drinking water out of air! It's actually exists in Lima, Peru and can generate up to 96 litres of water a day. http://thestar.blogs.com/worlddaily/2013/02/this-billboard-produces-water.html
gawck talk blog
We post informative, inspiring and fun bits of information on large format products, marketing and design a couple times a week. This includes our very popular Funny Sign Friday™.