"artist_name"=>"Marten Grupstra","artwork_type"=>"statue","start_date"=>"2008"
"artist_name"=>"Semna van Ooy","artwork_type"=>"sculpture","description"=>"http://semnavanooy.nl/projects/herinnering-aan-een-plek-een-beeld-voor-een-bos/","material"=>"concrete"
"artist_name"=>"Frouke Roukema","subject:wikidata"=>"Q468629"