<https://www.polsl.pl/rar/en/news/#webpage>
<http://schema.org/dateModified>
"2021-02-04T09:20:16+00:00"^^<http://schema.org/Date>
<https://www.polsl.pl/rar/en/news/32943/2nd-place-in-the-perspektywy-2021-ranking/>