Ключевые слова: arched architecture, architectural design, archways, concrete framework, concrete tunnel, construction detail, daylight contrast, daytime lighting, early morning light, fired clay arches, geometric shapes, industrial architecture, industrial passage, infrastructure, light and shadow, modern construction, outdoor corridor, outdoor walkway, passageway, passageway perspective, perspective view, shaded walkway, shadow play, structural arches, structural design, structural shadows, structural symmetry, subway, subway passage, sunlight filtering, sunlight shadows, sunset lighting, symmetrical perspective, symmetrical tunnel, symmetry, underground corridor, urban architecture, urban decay, urban infrastructure, urban structure, urban tunnel, vaulted structure, warm sunlight,