<https://help.slickpic.com/article/how-to-share-an-album-with-password-protection-and-album-download/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://help.slickpic.com/article/how-to-share-an-album-with-password-protection-and-album-download/>