<http://schema.org/thumbnailUrl>
<http://www.imore.com/sites/imore.com/files/styles/thumbnail/public/field/image/2013/05/google_plus_photos_iphone_hero.jpg?itok=05cnNhOu>
<http://www.imore.com/google-update-adds-google-drive-photo-support-and-interface-refinements>