<https://gerd-conradt.com/2021/04/17/https-gerd-conradt-com-p7962previewtrue/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://gerd-conradt.com/2021/04/17/https-gerd-conradt-com-p7962previewtrue/>