<http://schema.org/about>
"So much has been uncovered from the La Brea Tar Pits that crews have a backlog of bones to clean and sort through."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/videos/100-years-of-secrets-from-the-la-brea-tar-pits>