Video για το νερό

https://www.youtube.com/watch?v=bcgft_5S3bc
https://www.youtube.com/watch?v=A-quQXArogA
http://www.youtube.com/watch?v=1JjXSWzdHJI
http://www.youtube.com/watch?v=ZdP-QrdCqBM
http://www.youtube.com/watch?v=gf6iYVulyEc
http://www.youtube.com/watch?v=kmZ6X0CuSwk&list=PL933AE8029E0F06AC
 http://www.youtube.com/watch?v=9aBZP4RnMxw
 http://www.youtube.com/watch?v=okZBiy_IdBA&feature=related