<https://mainzerbeobachter.com/2012/11/21/de-grote-arabische-veroveringen/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ImageObject>
<https://mainzerbeobachter.com/2012/11/21/de-grote-arabische-veroveringen/>