<http://schema.org/about>
"If you follow green issues even fleetingly, chances are you've heard of Masdar City -- the enigmatic, controversial, and pioneering ultra-low carbon city being built in the desert outside Abu"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/masdar-a-2-billion-clean-energy-city-grows-in-the-desert.html>