<http://schema.org/thumbnailUrl>
<http://www.androidcentral.com/sites/androidcentral.com/files/styles/thumbnail/public/article_images/2014/04/galaxy-s5-surround-shot-progress_0.jpg?itok=Uphq5FIV>
<http://www.androidcentral.com/google-photo-sphere-community-work-art>