Underground Mine Ventilation Shaft

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Size: 4288px × 2848px
Photo credit: © Adwo / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: air, architecture, building, construction, dirty, emergency, escape, exit, fan, flow, heavy, hole, industry, metal, mining, nature, outdoor, rock, shaft, sky, tower, tunnel, underground, ventilation, work