- !!Modern architecture
- "Ports, Harbours and Moorings"
- ( But Still, It Turns )
- ***City Night Lights*** - - Luces de la ciudad nocturna - -
- A symmetry A
- After Dark - Night Photography
- Architecture & Buildings / JUST MODERN (P2 / C2) Sweeper is ON
- Architecture of Modern Movement 1880-1940
- Autobahn
- Bauhaus
- beautiful decay.
- Beautiful is Boring
- Beauty In the Mundane
- bitches brew | NO PEOPLE!!!
- Bochum
- Bonjour Tristesse
- Bottrop
- Boutiques fermées définitivement / Shops out of business
- Bricks
- Bridges, Bridges, and MORE BRIDGES
- Brutalist Architecture (inc. brick, metal and glass)
- Brutalist Architecture - béton (concrete) brut
- Buildings/Architecture
- City at Night
- City at Night !
- City Nights
- Cityscape and urban scenery
- Concrete Architecture [Please read the rules]
- concrete beauty
- Container Love
- Contemporary Landscape
- Council and Social Housing
- Crow Lovers Anonymous
- Crows
- desolate germany
- THE URBAN ROMANTIC CLOUD PHOTOGRAPHY GROUP
- Doors & Windows Project
- Doors and windows
- Doors and Windows in Decay
- Doors Around The World
- Doors only
- Doors, Windows Portals, Gates & Entryways
- Doors, Windows, and Steps
- Dortmund
- Dortmund Unplugged
- duisburg
- Duisburg Inland Port // Duisburg Binnen Hafen
- DUISBURG@NIGHT
- Einfach Ruhrgebiet - schwarz weiss
- Essen
- experimental landscapes
- Fenster in Deutschland / Windows of Germany
- FFF - Full Frontal Facade
- Flickr Social
- FUJI XF 18-135 F3.5-5.6 R LM OIS WR
- Fujifilm XF 35mm f/1.4 R Lens
- Fujinon XF 23 1.4 R
- fujinon XF 70-300
- Fujinon XF-14 mm/F2.8
- Fujinon XF23
- Fujinon XF8mmF3.5 R WR
- Fully Frontal
- Gelsenkirchen
- German Industrial Heritage
- Hagen
- Halden
- Harbors around the world
- Harbours in Europe
- HCSP (Hardcore Street Photography)
- I Love Abandonment! - NO people shots!
- industrial culture
- Industrial Decay
- Industrial Heritage Trail (Route der Industriekultur)
- INDUSTRIAL LANDSCAPES & INDUSTRIAL STRUCTURES OLD AND NEW.
- Industrial Landscapes - 工場萌え
- Industrial Night Shots
- Industrial Scenery
- Industrial Urbex
- industrial views
- IndustrialWorldWide
- Industrial facilities
- Industry
- Industry nightshot
- Industry@Night
- Industry_Industrie_Industria
- Just Windows!
- Landschaftspark Duisburg-Nord
- Lost Railroad Tracks
- Manmade Landscapes - Altered Terrain
- Marl
- no people - deserted
- Mines & Mining
- Minimalism
- MINING
- Mining Heritage
- Modern Architecture Lounge
- modern geometry
- Mülheim an der Ruhr
- Neotopografia / New Topographics - A Human Altered Landscape
- New Topographers
- New Topographics
- Niederrhein
- Night Photography
- Night Photography Group
- Night Shot
- Nobody is there
- NRW
- Oberhausen
- OLD FACTORIES AND INDUSTRIAL DECAY AROUND THE WORLD
- people live here
- Peoplelessness
- poetic shadows on walls
- Pretty Pictures of Ugly Things
- Railroad Photography
- Railroads
- Red Rule
- Reflections
- Residential buildings
- Rhein
- Rhein-Herne-Kanal
- Rhine River
- Route der Industriekultur
- Ruhr Valley
- Ruhrgebiet
- Ruhr Area at Night
- Ruhrgebiet Black and White
- Ruhrgebiet Unplugged
- Ruhrpott
- Shadows & Light
- Shadows - read group description and rules
- Sigma 10-18mm f2.8 DC DN Contemporary
- Silhouettes & Shadows
- Silhouettes Shape 'n Shadows
- Social Documentary Photographers Group.
- Social Landscapes - Unpopulated
- Socialist Modernism & Realism - Architecture, Details, Exterior
- Stadt Essen - Emotionen pur
- Stadtnatur NRW
- Steel Industry
- Street Art on Flickr
- SUNSET
- Sunset of the Day!
- Sunsets and Silhouettes
- Sunsets over the City
- The Becher School
- The Dusseldorf School
- The End of Industry
- The New Topographics
- The RED makes it (without dominating)
- This city called Earth
- Train Stations - the older the better
- Trinkhallenromantik
- Tunnel Vision
- Tunnels
- Doors and Entrances
- Türen/Tore/Doors/Portals
- Ugly Places all over the World
- Unterwegs in NRW
- Untold Stories After Dark
- URBAN
- Urban - Photography
- Urban Abstracts
- Urban Decay
- Urban Excellence
- Urban Geometry
- Urban Minimalism
- Urban Nature
- urban poetry
- Urban Urban Urban
- Urbane Melancholie
- VILTROX 13mm F1.4 XF
- Viltrox 27mmF1.2 AF Pro
- Walls
- Walls, Roads, Stairs, Doors and Windows!
- Wannabe Symmetry
- Water Towers
- Weltkulturerbe Zollverein Essen
- Wet Reflections
- Witten
- WORLD MINING HERITAGE ⚒
- wuppertal
- Zechen-Bilder // Mines-Impressions
- Ξ ۩ DoorsWindowsWorld ۩ Ξ DWWG (Please tag dwwg)