"artwork_type"=>"bust","memorial"=>"bust","subject:wikidata"=>"Q463478","subject:wikipedia"=>"nl:Aletta Jacobs"
"artist_name"=>"Marte Röling","artwork_type"=>"sculpture","start_date"=>"1999"
"artist_name"=>"Paul Virilio","artwork_type"=>"sculpture","wikidata"=>"Q87746607"
"artist_name"=>"Roberto Barni","artwork_type"=>"sculpture","material"=>"bronze","start_date"=>"1996"
"artist_name"=>"Martin Borchert","artwork_type"=>"sculpture","material"=>"steel","start_date"=>"2009","wikidata"=>"Q58948914"
"artist_name"=>"Martin Borchert","artwork_type"=>"sculpture","information"=>"board","material"=>"steel","start_date"=>"2009","wikidata"=>"Q58948914"
"artist_name"=>"Anne Wenzel","artwork_type"=>"bust","barrier"=>"block","bicycle"=>"yes","foot"=>"yes","horse"=>"yes","material"=>"ceramic","mofa"=>"yes","moped"=>"yes","start_date"=>"2018"
"artist_name"=>"Mattheus Meesters","artwork_type"=>"sculpture","material"=>"limestone","start_date"=>"1952"
"artist_name"=>"Gjalt Blaauw","artwork_type"=>"sculpture","material"=>"marble","start_date"=>"1972"
"artist_name"=>"Jan van Baren","artwork_type"=>"sculpture","material"=>"bronze","start_date"=>"1977"
"artist_name"=>"Herman Lamers","artwork_type"=>"statue","material"=>"glass","name:en"=>"the boy pretending to be a giant","wikidata"=>"Q59384088"
"artist_name"=>"René de Boer","artwork_type"=>"sculpture","description"=>"Rolling rattling metal balls. There are several metal balls which lay in the grass. They can be rolled for fun.","material"=>"brass","wikidata"=>"Q107339339","wikimedia_commons"=>"File:Rollebollen.jpg"
"artist_name"=>"Henri de Wolf","artwork_type"=>"sculpture","material"=>"steel","start_date"=>"1982"
"artist_name"=>"Pierluca Degli Innocenti","artwork_type"=>"sculpture","material"=>"bronze","start_date"=>"1965","wikidata"=>"Q1946345"
"artist_name"=>"René de Boer","artwork_type"=>"installation","material"=>"metal","start_date"=>"2011"
"artist_name"=>"Mette Bus","artwork_type"=>"statue","material"=>"bronze;steel","start_date"=>"2012"
"artist_name"=>"Willem Valk","artwork_type"=>"sculpture","wikidata"=>"Q83969202"
"artist_name"=>"Sigurdur Gudmundsson","artwork_type"=>"sculpture","material"=>"granite;stone"
"artist_name"=>"Jan van Baren","artwork_type"=>"sculpture","material"=>"bronze","start_date"=>"1977"
"artist_name"=>"Wladimir de Vries","artwork_type"=>"statue","material"=>"stone","start_date"=>"1972"
"artist_name"=>"Hugo Hol","artwork_type"=>"sculpture","material"=>"stone, messing","start_date"=>"1985"
"artist_name"=>"Frederik Jeltsema","artwork_type"=>"statue","material"=>"bronze","start_date"=>"1916"
"artist_name"=>"Henk Visch","artwork_type"=>"sculpture","material"=>"bronze","start_date"=>"2001"
"artist_name"=>"Bas Lugthart;Maree Blok","artwork_type"=>"sculpture","start_date"=>"1994"
"artist_name"=>"Wladimir de Vries","artwork_type"=>"statue","material"=>"bronze","wikidata"=>"Q2326399"
"artist_name"=>"Unknown","artwork_type"=>"streetart","description"=>"Several scale model boats float freely in the pond relying on wind and occasional passerby attention. Wind power is never a problem, it plenty of wind in the Netherlands."
"artist_name"=>"Armando","artwork_type"=>"sculpture","description"=>"Bronze tree, in memoriam of Hendrik Nicolaas Werkman (1882-1945)","material"=>"bronze","start_date"=>"1995","wikimedia_commons"=>"File:Armando_Groningen.JPG"
"artist_name"=>"Kees Verkade","artwork_type"=>"sculpture","material"=>"bronze"
"artist_name"=>"Hans Mes","artwork_type"=>"sculpture","material"=>"bronze","start_date"=>"1984-09-24"
"artist_name"=>"Sylvia B.","artwork_type"=>"statue","material"=>"steel;iron","start_date"=>"2004"
"artist_name"=>"Hans Mes","artwork_type"=>"sculpture","material"=>"bronze","start_date"=>"1984"
"artist_name"=>"Wladimir de Vries","artwork_type"=>"statue","material"=>"bronze"
"artist_name"=>"Roos de Jong, Winand Slingenbergh, Claudio Tiecher","artwork_type"=>"streetart","description"=>"Three happy people are drawing and writing messages on the living room window, check out the first floor ;)","email"=>"ctiecher@gmail.com"
"artist_name"=>"Hans Rikken","artwork_type"=>"sculpture","material"=>"steel","start_date"=>"1998"
"artist_name"=>"Elisabet Stienstra","artwork_type"=>"sculpture","material"=>"granite","start_date"=>"2019"
"artist_name"=>"Albert Geertjes","artwork_type"=>"architecture","material"=>"glass"
"artist_name"=>"Bastiaan de Groot","artwork_type"=>"sculpture","material"=>"brass","start_date"=>"1985","wikimedia_commons"=>"File:Bastiaan_de_Groot_-_Torso_Lucy.jpg"
"artist_name"=>"Albert Geertjes","artwork_type"=>"architecture","material"=>"glass"
"artist_name"=>"Klaas Lageweg","artwork_type"=>"mural","flickr"=>"https://www.flickr.com/photos/193430062@N05/51322426245","start_date"=>"2015-05-26"
"artist_name"=>"Gerrit Bolhuis","artwork_type"=>"sculpture","material"=>"stone","start_date"=>"1954"
"artist_name"=>"Angelique Boter;Gea Koopman;Yvonne Moorlag","artwork_subject"=>"Universum","artwork_type"=>"mural","start_date"=>"2012"
"artist_name"=>"Angelique Boter;Gea Koopman;Yvonne Moorlag","artwork_subject"=>"Universum","artwork_type"=>"mural","start_date"=>"2012"
"artist_name"=>"Luk van Som","artwork_type"=>"sculpture","material"=>"bronze","start_date"=>"2005","wikimedia_commons"=>"File:Madonna_der_nevelen_Groningen.jpg"
"artist:wikidata"=>"Q2530161","artist:wikipedia"=>"nl:Wladimir de Vries","artist_name"=>"Wladimir de Vries","artwork_type"=>"statue","material"=>"bronze","start_date"=>"1960"
"artist_name"=>"Ludwig Oswald Wenckebach","artwork_type"=>"sculpture","material"=>"bronze;stone","start_date"=>"1954"
"artist_name"=>"Henri de Wolf","artwork_subject"=>"Bijbel","artwork_type"=>"installation","material"=>"aluminium","start_date"=>"1966"
"artist_name"=>"Angelique Boter;Gea Koopman;Yvonne Moorlag","artwork_subject"=>"Universum","artwork_type"=>"mural","start_date"=>"2012"
"artist_name"=>"Fred Mennens; Henk Vos","artwork_type"=>"sculpture","material"=>"steel; wood","start_date"=>"1980"
"artist_name"=>"Mette Bus","artwork_type"=>"statue"
"artist_name"=>"Willem Valk","artwork_subject"=>"Holocaust","artwork_type"=>"sculpture","material"=>"stone;copper","start_date"=>"1950"
"artist_name"=>"Gijsbert Jacobs van den Hof","artwork_type"=>"bust","material"=>"granite","start_date"=>"1938"
"artist_name"=>"Gijsbert Jacobs van den Hof","artwork_type"=>"bust","material"=>"granite","start_date"=>"1938"
"artist_name"=>"Gijsbert Jacobs van den Hof","artwork_type"=>"bust","material"=>"granite","start_date"=>"1938"
"artist_name"=>"Gijsbert Jacobs van den Hof","artwork_type"=>"bust","material"=>"granite","start_date"=>"1938"
"artist_name"=>"Giny Vos","artwork_type"=>"installation"
"artist_name"=>"Anna Dekking-van Haeften","artwork_type"=>"statue","material"=>"bronze","start_date"=>"1962"
"artist_name"=>"Trudi van den Berg; Jos Steenmeijer","artwork_type"=>"sculpture","material"=>"steel","start_date"=>"1997"
"artist_name"=>"G.J. Mulder","artwork_type"=>"sculpture","material"=>"steel"
"artist_name"=>"Peet Verrijn Stuart","artwork_type"=>"sculpture","material"=>"steel","start_date"=>"1992"
"artist:wikidata"=>"Q379679","artist_name"=>"Jan Wolkers","artwork_type"=>"sculpture","material"=>"bronze"
"artist_name"=>"Ludwig Oswald Wenckebach","artwork_type"=>"statue","material"=>"limestone","start_date"=>"1934"
"artist_name"=>"August Falise","artwork_type"=>"bust","material"=>"bronze"
"artist_name"=>"Albert Aukema","artwork_type"=>"sculpture","material"=>"marble"
"artist_name"=>"Henk Oving","artwork_type"=>"sculpture","material"=>"steel","start_date"=>"1996","wikimedia_commons"=>"File:Groningen_-_Brachistochroon_(1996)_van_Henk_Ovink.jpg"
"artist_name"=>"Maaike Bokma","artwork_type"=>"sculpture","material"=>"steel, polyester","start_date"=>"2008"
"artist_name"=>"Gunnar Daan","artwork_type"=>"sculpture","material"=>"steel","wikidata"=>"Q127946880"
"artist_name"=>"Edzard Krol","artwork_type"=>"sculpture","material"=>"steel","start_date"=>"1995"
"artist_name"=>"Trudi van den Berg;Jos Steenmeijer","material"=>"metal","start_date"=>"1998","wikimedia_commons"=>"File:Berg-Steenmeijer-Groningen-01.jpg"
"artist_name"=>"Eduard Colinet","artwork_type"=>"statue","material"=>"bronze"
"artist_name"=>"Frank Havermans","artwork_type"=>"sculpture","material"=>"concrete, steel, wood","start_date"=>"2012"
"artist_name"=>"Heiner Müller","artwork_type"=>"sculpture","material"=>"stone","wikidata"=>"Q87746175"
"artist_name"=>"Leonhard Lapin","artwork_subject"=>"abstract","artwork_type"=>"sculpture","direction"=>"0-360","tower:type"=>"observation","wikidata"=>"Q87720324"
"artist_name"=>"Akira Asada","artwork_type"=>"installation","wikidata"=>"Q87721026"
"artist_name"=>"Thom Puckey","artwork_type"=>"sculpture","wikidata"=>"Q127946875"
"artist_name"=>"Daniel Libeskind","artwork_type"=>"installation","wikidata"=>"Q87720115"
"artist_name"=>"Carolien Feldbrugge","artwork_type"=>"sculpture","material"=>"steel;wood;iron;polyester","start_date"=>"1984"
"artist_name"=>"Kurt Forster","artwork_type"=>"sculpture","material"=>"metal","ref"=>"1040","wikidata"=>"Q87749075"
"artist_name"=>"Gosse Dam","artwork_type"=>"sculpture"
"artist_name"=>"Robin de Krijger","artwork_type"=>"sculpture","material"=>"steel"