Inspiration: the colors of subway

Underground




http://www.flickr.com/photos/brunoat/142664485/
http://tutsarena.com/wp-admin/media-upload.php?post_id=2232&type=image&TB_iframe=true

Author: brunoat (http://www.flickr.com/photos/brunoat/)
Vanishing
Lines




http://www.flickr.com/photos/yushimoto_02/2364726666/

Author: yushimoto_02 (http://www.flickr.com/photos/yushimoto_02/)
escalator




http://www.flickr.com/photos/sophie-/96237904/

Author: SophieMuc (http://www.flickr.com/photos/sophie-/)
Emptiness
in yellow




http://www.flickr.com/photos/manganite/352983647/

Author: manganite (http://www.flickr.com/photos/manganite/)
Down to
the subway station




http://www.flickr.com/photos/manganite/747469572/

Author: manganite (http://www.flickr.com/photos/manganite/)
red
tube




http://www.flickr.com/photos/feldman_1/3672369416/

Author: Feldman_1 (http://www.flickr.com/photos/feldman_1/)
lightline
II




http://www.flickr.com/photos/feldman_1/3668441778/in/photostream/

Author: Feldman_1 (http://www.flickr.com/photos/feldman_1/)
Metrô
Copacabana Subway [...]




http://www.flickr.com/photos/selusava/254549657/

Author: SeLuSaVa (http://www.flickr.com/photos/selusava/)
Metrô
Copacabana Subway 2[...]




http://www.flickr.com/photos/selusava/254563063/in/set-72157608214898500/

Author: SeLuSaVa (http://www.flickr.com/photos/selusava/)
Next
Stop: Sewastopol




http://www.flickr.com/photos/yushimoto_02/1149173282/

Author: yushimoto_02 (http://www.flickr.com/photos/yushimoto_02/)
U-Bahn
Kreilstraße




http://www.flickr.com/photos/yushimoto_02/1148343591/

Author: yushimoto_02 (http://www.flickr.com/photos/yushimoto_02/)
Subway
IV




http://dr007.deviantart.com/art/Subway-IV-42854802

Author: Dr007 (http://dr007.deviantart.com/)
subway




http://xineiz.deviantart.com/art/subway-11062741

Author: xineiz (http://xineiz.deviantart.com/)
the
Subway




http://mikaelthetwoface.deviantart.com/art/the-Subway-107087696

Author: MikaelTheTwoFace (http://mikaelthetwoface.deviantart.com/)
subway




http://phalaenopsis.deviantart.com/art/subway-74222526

Author: Phalaenopsis (http://phalaenopsis.deviantart.com/)
Subway
II




http://dr007.deviantart.com/art/Subway-II-42167035

Author: Dr007 (http://dr007.deviantart.com/)
The Path




http://p0m.deviantart.com/art/The-Path-13311121

Author: p0m (http://p0m.deviantart.com/)
Human
Subway




http://nightline.deviantart.com/art/Human-Subway-57626555

Author: Nightline (http://nightline.deviantart.com/)