"material"=>"steel","start_date"=>"2019-05-28","artist_name"=>"Karel Buskes","artwork_type"=>"sculpture"
"wikidata"=>"Q3008410","start_date"=>"2009-06-16","artist_name"=>"Marc Ruygrok","artwork_type"=>"sculpture"
"wikidata"=>"Q2009441","artist_name"=>"John Hejduk"