<https://secure.gravatar.com/avatar/81a3cb27058682dafe9b93ba8d4de06c?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://gamerdiscovery.com/anno-1800-ultimate-new-player-guide/>