<http://schema.org/about>
"An interesting step towards eco-friendly spiritual travel: The Alliance of Regions and Conservation, working with WWF, is about to launch the Green Pilgrimage Network. The program, to formally kick off at an event in"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/worlds-first-green-pilgrimage-network-launches-at-end-of-october.html>