4,893,600,000
Liters Provided
4,896,000,000
Liters Provided

The pages from this 'Drinkable Book' can purify contaminated drinking water

May 2, 2014

Read more at http://www.globalpost.com/dispatch/news/business/technology/140502/drinkable-book-can-purify-contaminated-drinking-water



The pages from this 'Drinkable Book' can purify contaminated drinking water | Blog