<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEzLzAyLzAyLzUwL3N0cm9uZ2VzdG1hLmNmZTI5LmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/12c5f019/d70/strongest-material-nokia.jpg>
<http://mashable.com/2013/02/02/graphene-nokia/>