![](http://www.alamy.com/thumbs/6/F2BB271F-1BA9-47ED-8C35-160DB200C676/2CTX9HX.jpg)
Chemical factory ventilation ducts and extractors
Size: 5753px × 3835px
Location: Tyne and Wear
Photo credit: © Wilf Doyle / Alamy / Afripics
License: Royalty Free
Model Released: No
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