<http://schema.org/thumbnail>
"http://media.cnlive.it/wp-content/uploads/2015/01/2985902006001_4004439456001_orig-1501-006-AR-EN-orig-1501-006-AR-EN-vs-400x221.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cnlive.it/tech/2015/01/27/samantha-cristoforetti-si-fa-tagliare-capelli-nello-spazio.html>