Hamburger Welle ... by marcosdijkos
Wasserschloss, Speicherstadt Hamburg by marcoimmervoll
Former ECB  Building by Herbert_A_Franke
Catholic Library (Triangles #3) by chmeermann
architectur-skyline by sylvainmorizot
Speicherstadt by ewill
A large spider web on the ground by tanjariedel
Triplets by cgnPhoto
New York by akphotographystudio
Black in 2018 by Bilderschmied-Danz
L´Hemisfèric by Herbert_A_Franke
 World Trade Center (PATH Station) by Herbert_A_Franke
 Lloyds London  by Herbert_A_Franke
Seriem nigrum et album | Figurae auditorii by Bilderschmied-Danz
Burj Khalifa by Herbert_A_Franke
Rising stars by Bilderschmied-Danz
Metro Uberseequartier by marcosdijkos
  fantasy by Herbert_A_Franke
Escalator by kenopictures
Spiral Staircase by Herbert_A_Franke
 Palau de les Arts Reina Sofía  by Herbert_A_Franke
Brahms Kontorhaus by Herbert_A_Franke
Spiral staircase at Leica by Herbert_A_Franke
Back in Black II by Bilderschmied-Danz
rota fortunae    by Nadinerotrasper
Die Pyramide by alexanderrentsch
Museu d’Art Contemporani de Barcelona (MACBA) by Herbert_A_Franke
Museum of Modern Art (MMK) by Herbert_A_Franke
"Kö-Bogen" by Herbert_A_Franke
Monument by Herbert_A_Franke
In between by Bilderschmied-Danz
Spiral staircase (at Leica) by Herbert_A_Franke
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