- ! **skyscrapers / 摩天楼
- ! * Urban LIFE in Metropolis ////
- * CityScapes & City Life
- ** City Phallus Symbols ** - Towers Of Mass Entertainment
- **Hong Kong + China Pride**
- **Over the Excellence** (Adm.INVITE only - com1)
- *Blue Metropolis* [Urban Photography]
- ->> NiGht ShotS <<-
- [-dark city-]
- Abandoned Hamburg
- Action now! POST 1, COMMENT ON 2
- Action Photography
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- Animal Planet
- Architectural Contrast
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- Architektur
- Athletes In Action!
- B&W DREAMS
- BASE-jump
- Berlin
- Berlin calling - the other side of Berlin (invitation)
- Best of Hamburg (5+ faves)
- BEST SKYDIVE and BASE JUMP Photos
- Big City Nights
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- Cape Town
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- captured movement
- Cities From Above
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- Flickr Hong Kong 香港
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- Fog, rain and snow
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- graffiti magick
- Hamburg - Sülldorf / Iserbrook
- Hamburg HH
- Hamburg keine Perle
- Hamburg Panorama
- Hamburg!
- Hamburg@night
- Hamburger Telemichel - der schönste Fernsehturm der Welt
- Harkort ist Hartkor!
- High Contrast
- High Contrast and/or saturation
- HK Graffiti/Street Art
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- Hong Kong 香港
- Hong Kong 香港 - The Noble House
- Hongkong photos ...Post 1 / Comment Any 1,Please don't be lazy
- I LOVE CONTRAST
- I Love Hong Kong
- La Défense - Paris - Hauts-de-Seine - France
- Les toits de Paris / Roofs of Paris
- Light Art + Graffiti
- Light in Architecture
- Lightning
- lovely ugly vienna
- M E T R O P O L I S
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- My C!ty
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- nighthawks
- Occupy Movement in Germany
- Paris
- PhotoShop
- Photoshop Junkees
- Photoshop Support Group
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- Prague
- Prague ...
- Prague Alternativa
- Praise and curse of the city
- Pritzker Architecture Prize on Flickr (Post 1 - Award 2)
- Project worldwide (pictures of places around the world)
- Reeperbahn
- Roof Hacker
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- Streets and roads of the world INV ONLY !!! 1 Post / 3 Awards !!
- Skylines around the world
- Skyscraper
- SkyscraperCity
- Skyscrapers from Skyscrapers
- Slow Shutter Magic
- Slow Water
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- SPORTS ACTION
- st.pauli
- Street Photos - Hong Kong and China 中國香港街拍同好
- subway
- Television Towers
- The Best City Images
- The Collectibles Hub
- The Dog Den
- The Matrix
- The Unforgettable Pictures ~ Post 1, Comment 3 ~ NEW RULES!!
- THIS IS HAMBURG
- Timelapse
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- UltimateSkyscraperShots
- Undergrounds and Subways
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- Urban Urban Urban
- Urbex :: Urban Exploration
- Vienna
- Vienna @ * Night *
- WALK Paris Photo Contest
- Your Best Berlin Picture
- Your Best Shot 2009
- »Mut zur Lücke« – »Disruptive Gaps«
- 活在香港 Living in Hong Kong