<https://profoto.com/ru/profoto-stories/on-to-light-shaping-with-ryan-brenizer-turning-one-b2-into-two>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://profoto.com/ru/profoto-stories/on-to-light-shaping-with-ryan-brenizer-turning-one-b2-into-two>