![](http://www.alamy.com/thumbs/6/BDD8BCE3-E467-4511-A03D-0AE29513EC30/KWFC1K.jpg)
Urban ventilation iron pipes
Size: 3005px × 2002px
Photo credit: © Presiyan Panayotov / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: air, air-conditioning, airshaft, architecture, building, conditioning, construction, duct, equipment, house, industrial, industry, infrastructure, iron, metal, metallic, pipe, pipeline, pipes, steel, surface, system, tube, tubing, urban, vent, ventilate, ventilated, ventilation