Open the protective, sealed doors in red in the underground facility. Gateway to prevent the ingress of air from the surface of

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Open the protective, sealed doors in red in the underground facility. Gateway to prevent the ingress of air from the surface of protective structures

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Size: 5248px × 3294px
Photo credit: © Vsevolod Chuvanov / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: concrete, construction, dark, door, doorway, drive, electric, empty, engineering, facility, gate, gateway, iron, large, light, open, protection, red, room, sealed, security, shaft, shelter, steel, underground, ventilation, wire