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Fränk61: Rotterdam
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dolorix: Formen und Licht
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loudstone II: S, Treppenhaus Hegelsaal
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Hildegard Spickenbaum: Allein I
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loudstone: Do you know about the Penrose stair?
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Yamabxl: Upward symmetry
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michelelivan2: Architectural Abstract
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Carl Vanassche: DSC_2620
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geeno_merlino: [...shiny art piece...]
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RobertLee99: Overhang
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bernard.saubot: Urban geometry
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carlosk75LM: Arnaiz Building - Madrid
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Harald Schulz: Frankfurt1546
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Klaus Ressmann: BluePerspective.jpg
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Blende1.8: Trapezoid
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picturesbyJOE: Bride's Alley Flats
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Daniela Räker: Skyscraper
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Holger Glaab: Kruger 60
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carlosk75LM: Casa Palazuelo - Madrid
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Harald Schulz: Frankfurt1507
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bernard.saubot: Urban geometry
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Carl Vanassche: DSC_3441
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Nek_Z@n: Waterworld
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ujkraus29: Messeparkhaus Zoobrücke P22 Köln ( in explore😍)
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frank_w_aus_l: Lines - Lines - more Lines
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Blende1.8: embrace
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ulrichcziollek: Mausoleum der Galla Placidia
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Horst.Fischer: cooling towers
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MR ARTO: the reset zone
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MR ARTO: EXIT