<http://schema.org/about>
"Tourism might not be the ultimate answer to poverty and economic woes, but it is a major boon for places around the world that suffer from a lack of natural res"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/eco-tourism/stories/can-eco-tourism-help-underdeveloped-countries>