<https://stargazerslounge.com/topic/92116-great-skies-to-city-centre-skies/#comment-909116>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://stargazerslounge.com/topic/92116-great-skies-to-city-centre-skies/?tab=comments#comment-908975>