![](http://www.alamy.com/thumbs/6/3A303909-DB1E-428E-80EC-A44D18E0BF88/2CTXA67.jpg)
Chemical factory trio of ventilation ducts and extractors against deep blue sky
Size: 3737px × 4983px
Location: Tyne and Wear
Photo credit: © Wilf Doyle / Alamy / Afripics
License: Royalty Free
Model Released: No
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