<http://schema.org/about>
"Arnaud de La Chesnais runs La Cabane en l'Air, which has built nearly 250 simple treehouses in 34 locations across France, at heights up to 72 feet. Imitations"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/eco-tourism/videos/new-branch-of-treetop-hotel-market-puts-more-tourists-out-on-a-limb>