Metal bars in front of a ventilation system with a hook

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Size: 6000px × 4000px
Location: Greifswald, Germany
Photo credit: © Nadine Bauerfeind / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, backround, bars, blue, design, frame, full, germany, hook, indoors, industrial, interior, line, metal, outdoors, pattern, protection, security, structure, symmetry, system, ventilation