<https://secure.gravatar.com/avatar/350bbc0a3ff5976fa8b2b5568a49605c?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://sierralogandtimber.com/choosing-the-right-log-cabin-home-builders/>