<https://www.t-shirtforums.com/threads/design-the-official-t-shirtforums-t-shirt-contest.2881/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.t-shirtforums.com/threads/design-the-official-t-shirtforums-t-shirt-contest.2881/>