"url"=>"https://www.bkor.nl/beelden/zonder-titel-42/","material"=>"copper;Aluminium","start_date"=>"1972","artist_name"=>"Leo van Oudheusden"
"url"=>"https://www.bkor.nl/beelden/zonder-titel-13/","material"=>"bronze","start_date"=>"1967","artist_name"=>"Marian Gobius","artwork_type"=>"statue"