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[[FILE:FlottmannEnlightenment.JPG|border|right|thumb|link=http://wiki.huen-un-perduen.de/index.php?title=Datei:Frauenkopf_als_Symbol_der_Aufkl%C3%A4rung.jpg|The Enlightenment <ref>Photo by [[Gerd Isenberg]], September 18, 2016, detail of the [https://commons.wikimedia.org/wiki/Category:Flottmann-Tor Flottmann gate], [https://en.wikipedia.org/wiki/Art_Nouveau Art Nouveau] theme of ''Dragon and Sun'' designed by Carl Weinhold, art director of blacksmith and foundry ''Füssmann und Fleeth'', [https://en.wikipedia.org/wiki/Essen Essen], exposed at the [https://de.wikipedia.org/wiki/Industrie-_und_Gewerbeausstellung_D%C3%BCsseldorf industrial and trade exhibition 1902] in [https://en.wikipedia.org/wiki/D%C3%BCsseldorf Düsseldorf], and baught by [https://de.wikipedia.org/wiki/Otto_Heinrich_Flottmann Heinrich Flottmann] as gate for his [https://en.wikipedia.org/wiki/Jackhammer jackhammer] [https://de.wikipedia.org/wiki/Flottmann-Werke factory], today adjacent to the exhibition and event space [[Arts#:Category:Flottmann|Flottmann-Hallen]] in [https://en.wikipedia.org/wiki/Herne,_North_Rhine-Westphalia Herne], [https://en.wikipedia.org/wiki/North_Rhine-Westphalia North Rhine-Westphalia], [https://en.wikipedia.org/wiki/Germany Germany], and part of [[Arts#IndustrialHeritageTrail:Category:Industrial Heritag Trail|The Industrial Heritage Trail]] of the [https://en.wikipedia.org/wiki/Ruhr Ruhr area], "In the upper center of the gate is a symbol of [https://en.wikipedia.org/wiki/Age_of_Enlightenment The Enlightenment], a female head with a ray ring." from [http://wiki.huen-un-perduen.de/index.php?title=Flottmann-Tor Flottmann-Tor – Hün un Perdün], see also [http://wiki.huen-un-perduen.de/index.php?title=Datei:Frauenkopf_als_Symbol_der_Aufkl%C3%A4rung.jpg Image] from the archive of the city of Herne, and [http://flottmann-hallen.de/page/2?m=18 Flottmann-Hallen - Historie] (German)</ref> ]]