<http://schema.org/about>
"Beauty is in the eye of the beholder: What do you think is the best-looking endangered species? What is the best voice on nature to follow on Twitter, the best carbon-offset provider? Which ski area has the best environmental practices in place? \n\nTravel "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/natural-sciences/best-of-green-readers-choice-travel-and-nature/>