<http://schema.org/about>
"Take a look at some art events that are taking place around the city, find the low profile protestors and take a look at some messages in the street."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/environmental-policy/rio20s-culture-word-street-and-visual-messages-here-and-there/page/3/>