steel, brick, tube, air, pipe, construction, blue, modern, modernity, industry,

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Photo credit: © kolyvanov / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: air, architectural, architecture, blue, brick, casing, construction, corrugated, duct, electric, electricity, energy, engineering, equipment, firmament, heaven, industry, metal, metallic, modern, modernity, paradise, pipe, pipeline, power, roof, sky, steel, style, technology, tile, tube, vent, ventilation