Water-Presentation Without Spoken Words
Here is a great presentation that does not contain spoken words, and it is about how a lot of people lack drinking water. I am not sure if I agree 100% with all its content, but I think it is still a very interestingly made presentation.
Via Presentation Zen.
The guys from good.is have another funny presenation on water! Here. I had previously posted about another water-related presentation.