<http://schema.org/about>
"Traffic congestion isn't much fun, but when it's in cities designed for people, it's immeasurably better. These pics of Amsterdam, Copenhagen, and Groningen give a sense of that."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/bikes/traffic-congestion-cities-people.html>