<https://www.lumserve.org/blog/2017/08/25/preparing-fall-season-lum/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ImageObject>
<https://www.lumserve.org/blog/2017/08/25/preparing-fall-season-lum/>