<http://schema.org/about>
"From sitting in on scientific research trips to experiencing traditional native cultures, these are the responsibly-run hotels, resorts, and trips everyone's talking about."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/travel/9-eco-travel-destinations-on-the-hot-list-for-2012/>