<http://schema.org/image>
<http://static1.squarespace.com/static/52d088b9e4b0bbf31d3d26b7/t/52e47eb6e4b01b78d94d699f/1471567769807/>
<http://www.stevekmccoy.com/blog/2008/08/phriday-is-for-photos-82208>