<http://schema.org/about>
"Wandering through the International Tourism Bourse, or ITB, in Berlin, looking for the eco angle amidst pushy vendors of exclusive golf courses and luxury hotels, one stand stands out. Behind a creatively lettered, found-wood framed"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/travel/itb-ideas-treehouse-hotel.html>