"material"=>"steel","start_date"=>"2009","artist_name"=>"Frans de Wit","artwork_type"=>"installation"
"material"=>"bronze","artist_name"=>"Eric Dolfij","artwork_type"=>"sculpture"
"material"=>"bronze","start_date"=>"2009","artist_name"=>"Nic Jonk","artwork_type"=>"sculpture"