<https://photographyfocus.co/wp-content/uploads/2021/05/118cb8b6-3025-4494-84cd-66dbc026c007-7835426.png>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://photographyfocus.co/how-to-put-a-camera-on-a-tripod/>