"artwork_type"=>"statue"
"artist_name"=>"Robert Jasper Grootveld","artwork_type"=>"carving"
"material"=>"steel","start_date"=>"2016","artist_name"=>"Lia van Vugt","artwork_type"=>"sculpture"
"artist_name"=>"Lawrence Weiner","artwork_type"=>"sculpture"
"artist_name"=>"Nelson Carrilho","artwork_type"=>"sculpture"
"artist_name"=>"Keith Haring","artwork_type"=>"mural","start_date"=>"1986","wikidata"=>"Q55372120"
"artist_name"=>"Marjet Wessels Boer"
"material"=>"steel","start_year"=>"1981","artist_name"=>"Berend Peter","artwork_type"=>"sculpture"
"material"=>"bronze","start_year"=>"1973","artist_name"=>"Renze Hettema","artwork_type"=>"sculpture"
"artist_name"=>"Hildo Krop","artwork_type"=>"sculpture"
"artist_name"=>"Mark Manders","artwork_type"=>"sculpture"
"start_date"=>"1954","artist_name"=>"Hildo Krop","artwork_type"=>"sculpture"
"start_date"=>"1940","artist_name"=>"Hildo Krop","artwork_type"=>"sculpture"
"artist_name"=>"Marcel Smimk","artwork_type"=>"sculpture","material"=>"concrete","start_date"=>"1999"