"material"=>"steel","start_date"=>"1992","artist_name"=>"Ton Koops","artwork_type"=>"statue"
"material"=>"natural stone","start_date"=>"1982","artist_name"=>"Lucas van Blaaderen","artwork_type"=>"statue"
"material"=>"bronze","start_date"=>"1998","artist_name"=>"Marcel Smink","artwork_type"=>"statue"
"material"=>"bronze","start_date"=>"1998","artist_name"=>"Marcel Smink","artwork_type"=>"statue"