<http://schema.org/about>
"On Sunday, a team of ten firefighters pulled out of a fire station in downtown Los Angeles, but not in a fire engine, and not in response to an emergency call. They were all on bicycles, and at the"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/10-firefighters-cycle-from-la-to-nyc-to-honor-9-11-victims-and-raise-money-for-charity.html>