"material"=>"bronze","artist_name"=>"Wim Gubbels","artwork_type"=>"statue"
"material"=>"bronze","artist_name"=>"Joep Coppens","artwork_type"=>"sculpture"
"material"=>"bronze","artist_name"=>"Han van Wetering","artwork_type"=>"statue"
"material"=>"bronze","artist_name"=>"Emile Zwartelé","artwork_type"=>"statue"