<https://secure.gravatar.com/avatar/8878db4d3a6f13c026150ff0bd985fce?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://paintanalyzer.com/how-to-paint-dormers-on-a-steep-roof/>