<http://schema.org/image>
<http://static1.squarespace.com/static/549dcda5e4b0a47d0ae1db1e/t/569e908d4bf118f6b679f568/1477066402074/>
<http://www.agilegeoscience.com/blog/2011/1/4/will-this-change-anything-1.html>