<http://schema.org/about>
"From stunning nude photographs on an industrial pig farm to beautiful photography of plastic bags, there's no doubt that art can play a powerful role in shaping our perception of the problems we face. But can it also change"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/artist-creates-traffic-jam-in-supermarket-video.html>