<http://schema.org/keywords>
"spider, makro, grasshopper, insekt, spinne, heuschrecke, kreuzspinne, spinnennetz, macro, spider web, insect, cross spider"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/10616993/im-netz-by-leo-p%25C3%25B6cksteiner>