<https://secure.gravatar.com/avatar/355ea7f11d1f205f22b18289cd097b68?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.androidha.com/123487-arkanoid-bricks-in-space/>