Ключевые слова: arch, architecture, backgrounds, brown, cave, clean, concrete wall, contrast, copy space, corridor, damaged, dark, deep, dirty, domestic room, door, dry, electric light, empty, end, entrance, escape, escape tunnel, exit, floor, fluorescent light, history, indoors, lamp, light, mine, modern, nobody, obsolete, old, perspective, rough, rundown, solid, stability, steel, surrounding wall, symmetry, tunnel, underground, underground walkway, underpass, uneven, walkway, wall, weathered,