![](http://www.alamy.com/thumbs/6/0E29E8B9-2027-4CE1-B1E0-54C095EB5051/D7D2K3.jpg)
Pipes of ventilation are located on a roof of a building
Size: 6048px × 4032px
Photo credit: © Andrei Kolyvanov / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: air, architecture, blue, casing, construction, duct, engineering, equipment, industry, metal, metallic, modern, pipe, pipeline, power, roof, sky, steel, technology, tube, vent, ventilation, vents