<https://secure.gravatar.com/avatar/4e9abde09edfeee17524989d90df8796?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://adventureblog.net/2014/10/trio-of-adventurers-ready-to-launch-new.html>