<https://productphotographystore.com/the-evolution-of-a-picture-begins-with-the-unique-information.html#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://productphotographystore.com/the-evolution-of-a-picture-begins-with-the-unique-information.html>