"year"=>"1966","material"=>"natural stone","artist_name"=>"Theo Mulder","artwork_type"=>"sculpture"
"artist_name"=>"Wiesław Oźmina","artwork_type"=>"statue","building:structure"=>"bronze"
"year"=>"1980","material"=>"bronze","artist_name"=>"Nic Jonk","artwork_type"=>"sculpture"
"year"=>"1990","material"=>"bronze","artist_name"=>"Nic Jonk"
"year"=>"1994","material"=>"Fiberglass","material_1"=>"Polyester","material_2"=>"fiber-reinforced plastic","artist_name"=>"Peter Louman"
"year"=>"1980","material"=>"stone with ceramic tiles","artist_name"=>"Theo Dobbelman"
"year"=>"1995","material"=>"bronze","artist_name"=>"Joost van den Toorn","description"=>"1 van de 6"
"year"=>"1995","material"=>"bronze","artist_name"=>"Joost van den Toorn","description"=>"3 van de 6"
"year"=>"1995","material"=>"bronze","artist_name"=>"Joost van den Toorn","description"=>"3 van de 6"
"year"=>"1982","material"=>"steel","artist_name"=>"Frans de Wit"
"artist_name"=>"John Bier","artwork_type"=>"sculpture"
"artist_name"=>"John Bier","artwork_type"=>"sculpture"