"artist_name"=>"Tine Harleman","artwork_type"=>"sculpture","material"=>"bronze"
"material"=>"concrete","artist_name"=>"Piet Pietersen","description"=>"two fishes","artwork_type"=>"sculpture"
"artist_name"=>"Henk Etienne","artwork_type"=>"sculpture","material"=>"stone","start_date"=>"1949"
"material"=>"cortenstaal","start_date"=>"1999","artist_name"=>"Joop Beljon","artwork_type"=>"sculpture"
"material"=>"metal","description:nl"=>"Naakt onderlichaam"