Concrete room under ground with a ladder to the surface from which the light comes. Technical room ventilation shaft of the unde

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Concrete room under ground with a ladder to the surface from which the light comes. Technical room ventilation shaft of the underground facility

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Size: 5250px × 3382px
Photo credit: © Vsevolod Chuvanov / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: concrete, construction, dark, empty, engineering, facility, hole, iron, large, light, room, shaft, staircase, underground, ventilation, wire