<http://schema.org/about>
"Here's one entertaining reason to stop during a road trip! This herd of bison crosses the road in an orderly fashion on a chilly winter day."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/natural-sciences/photo-day-herd-bison-cross-road-winter/>