<https://www.ralle.org/project/heinrich-heine-gaerten/heinrich_heine_gaerten_0178/>
<http://schema.org/datePublished>
"2017-10-10T12:53:09+00:00"^^<http://schema.org/Date>
<https://www.ralle.org/project/heinrich-heine-gaerten/heinrich_heine_gaerten_0178/>