<https://secure.gravatar.com/avatar/3e5aad193626189f4935adf331d96856?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://christiancollege.vic.edu.au/experience/learning-to-change-the-world/>