<https://secure.gravatar.com/avatar/a6f902848aae94e8f005ed3045a8491a?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.greenbagpickup.com/how-to-recycle-crayola-markers/>