The industrial air ventilation system in underground bomb shelte

---

The industrial air ventilation system with supply fan in underground bomb shelter

---

Size: 3000px × 4500px
Location: Russia
Photo credit: © ultrapro / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abandoned, act, architecture, army, background, base, bomb, building, bunker, cell, cold, concept, construction, creepy, danger, dark, defensive, door, echo, entrance, entry, exploration, fear, gateway, history, human, industrial, interior, isolation, metal, military, missile, nuclear, scary, secret, security, shelter, soviet, storage, troop, tunnel, underground, union, urban, ussr, valve, vault, wall, war