<https://thephotomanagers.com/calendars/demystifying-digital-photography-part-2-photography-101-in-the-year-2020/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://thephotomanagers.com/calendars/demystifying-digital-photography-part-2-photography-101-in-the-year-2020/>