When one can transform the ventilation pipes into the work of art, then why leaving it plain!
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.