![](http://www.alamy.com/thumbs/6/0A0BEBB5-5815-491E-88E8-D979BD3BA8A1/E9FM8T.jpg)
Ventilation
Pipe of ventilation are located on a roof of a building
Size: 4592px × 3056px
Photo credit: © Zoonar/kolyvanov / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: air, architecture, blue, casing, construction, corrugated, duct, engineering, equipment, industry, metal, metallic, modern, pipe, pipeline, power, roof, sky, steel, technology, tube, vent, ventilation, vents