This one comes from the North Carolina State University Campus by artist Loki.
Its on the roof level of Helsinki-Vantaa airport's parking house.
These ventilation pipes in Alexander Elementary were been transformed into art by the students of art class.
(Image credit: Loewenherz).
Centre national d'Art et de Culture Georges Pompidou - Beaubourg Museum. Air conditioning ducts are blue; water pipes are green; electricity lines are yellow, escalators & elevators are red. Apart from this, the white ducts are ventilation for the underground areas. These are color-coded according to function & this colored external piping is the special feature of the building that gives it an uncluttered internal space for the display of art works.
(Image credit: Janetbultitude).
(Image credit: Angela).
(Image credit: Neil Schwanitz).
This sculpture is created using the exhaust pipe from old aircraft.
Here we have the glass pipe art.
(Image credit: Blog.wired).
And this is an exhausted Pipe Spider created by artist Lani Andrews - Loveland, Colorado.
(Image credit: Talaie).
Art With Money.
Humor In Uniform.
Working Without Proper Tools.