Ключевые слова: abandoned, base, bomb, bunker, cold, command, communication, concrete, construction, dark, decay, deep, destroy, empty, facility, fortress, indoor, industry, inside, interior, light, military, mine, modern, no person, object, perspective, post, post apocalyptic, protection, radar, rail, railway, round, secret, sevastopol, shelter, soviet, strategic, strengthening, strong, subway, supply, technique, technology, tunnel, turn, underground, urban, vault,