<http://schema.org/image>
<http://media.mnn.com/assets/images/2014/08/lenticular-cloud-mountain.jpg>
<http://www.mnn.com/earth-matters/wilderness-resources/photos/from-mountain-tops-to-coral-reefs-10-most-loved-photos/from-mountain-tops-to-coral-reefs-10-most-loved-photos-2>