<https://forums.whatbird.com/index.php?/topic/20-share-your-best-photo-of-the-day/page/343/#comment-179732>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forums.whatbird.com/index.php?/topic/20-share-your-best-photo-of-the-day/page/343/#comment-179687>