<http://schema.org/about>
"Filmmaker Luis Trueba has his sights set on a new project: traveling the country and digging deeper into the problems of how polluted water is impacting people and ecosystems. He writes, \"Hundreds of documentaries have been done about water pollution"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-water/how-you-can-help-create-a-documentary-investigating-polluted-water.html>