<http://schema.org/about>
"Scientists say that keeping in touch with nature makes us nicer people. We're more relaxed, more mellow, just plain old happier. Even if it's just a photo...or perhaps a customizable iPhone app that creates a"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/mellow-out-with-customizable-nature-sounds-on-your-iphone.html>