<http://schema.org/about>
"When teaching people how to recycle properly, it can be hard to keep things interesting. Most cities settle for colorful graphics, distribute instructions to residents, and leave it at that. But"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/a-colorful-art-exhibit-inflates-garbage-bags-to-teach-about-recycling.html>