<https://www.windowsmania.pl/facebook/jak-zalozyc-fanpage-na-facebooku/#primaryimage>
<http://schema.org/height>
"600"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://www.windowsmania.pl/de/Facebook/wie-man-eine-Fanpage-auf-Facebook-einrichtet/>