<http://schema.org/about>
"You have to do some digging to escape the army of cars now clogging the planet's roads and highways, but here are a few car-free cities to explore."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/photos/7-car-free-cities/la-cumbrecita-argentina-pop-345>