[youtube [www.youtube.com/watch](https://www.youtube.com/watch?v=qYTif9F188E?feature=oembed&enablejsapi=1&origin=https://safe.txmblr.com&wmode=opaque&w=250&h=141])
‘The Drinkable Book’, A Pamphlet Teaching Safe Water Drinking Habits Printed on Filter Paper
This is insanely, wicked cool.
(Source: https://www.youtube.com/)