- !* Game of geometry and cubism ↔ lines & abstract subjects A2
- !Catchy Colors
- #1/...flickrjob different ~ (P1 - AW2)
- #2/...flickrjob premium (P1 - AW2)
- 1-2-3 architecture
- 500x500
- 500x500!
- Abstract Photo Excellence (Step Up Group) ~ Post 1= Com 2
- Abstract Reality
- Abstract reflections
- Abstract_ photo (post 1 / com 2)
- Abstractures
- Again and Again and Again
- Arch Daily
- archiCentral - Architecture & Urban Design
- Architecture and Criticism
- Architecture from 1900 to 1999
- Architecture from 2000 to 2099
- Artistic Perspectives
- B Square
- B+W
- Bare Minimum (P1 = C2)
- Beautiful Realm
- bitches brew | NO PEOPLE!!!
- Black & White Digital
- Black & White Done Right !.
- Black and White
- BLACKartWHITE
- canon digital photography.
- Canon DSLR User Group
- Canon EOS SLR
- Color and Colors - No computer-generated posts.
- Details of Modern Architecture
- Düsseldorf
- Düsseldorf (English)
- Düsseldorf Streetfotografie - People and Sights
- Eclectic Aesthetic
- Elegantly Minimal
- Everything's (abstract) Geometry
- Favorites natural colors and lights 2: Post 1 / Award 2
- Flair and Square
- Flickr World Of Abstracts
- FlickrCentral
- FLOOR secundus (post 1, award 2)..... Welcome to Floor pink
- FLOOR tertius...
- form, shape, composition
- haphazart! Abstractions
- Human in Geometry
- Kwadrat / Square (no portrait)
- Lines&Curves - P1:C1 - no nature, no humans!
- LoveShadowsღ
- Abstract lights
- minimal art [no people no life] post / comment / invite
- MINIMAL black&white
- Minimalist Nature(1,2)
- minimalmonochromaticism
- monochrome abstract photography p1=c2
- Nature Abstracted
- Nature as Abstract Artist
- Patterns As We See Them
- Photo Art Square (P1/C2) Quality over quantity, please...
- Pritzker Architecture Prize on Flickr (Post 1 - Award 2)
- Quadrado - CLOSED
- Quadratum
- Quality Abstracts
- SQUARE PLACE - square size 5x5 no frame - P1/C2 [ SWEEPER ON ]
- Square**Abstract** (Closed)
- squareFormat
- Structures with a touch of Abstract (architecture!) post1/award2
- sub umbra floreo
- Take Two - The Two Colours Only Group
- The Architect
- The Golden Gallery (Admin-Invited Only)
- the naked abstract
- Two Colors or Less (1 post = 2 comments, no B&W)
- Uncomplicated and Uncluttered
- UNSUSPECTING PROTAGONISTS
- URBAN
- Urban - Photography
- Urban Excellence
- Urban Life
- Urban Minimalism
- urban poetry
- Urban Urban Urban
- URBAN_6x6 (only B&W)
- Vana Grammofon/ The Old Gramophone (POST1 - AWARD3 /NO PEOPLE!)
- WHITE in/on/between WHITE (no black & white)
- ★ The World in Black and White ★ (post 1, award on 3)