RGC, Ruined Gothic Cathedral, rgc_window, large gothic pointed arch window structure embedded in thick weathered stone wall, multi-panel lancet windows arranged symmetrically beneath a circular rose window, intricate stone tracery with quatrefoil and clover-shaped patterns, fine mullions dividing tall narrow glass panes, glass surfaces aged and slightly opaque with grime and subtle texture, strong backlighting from exterior daylight creating bright blown-out highlights, soft diffused illumination spilling into interior, delicate light bloom and glow around tracery shapes, surrounding stone arch deeply carved with layered moldings and worn edges, heavy erosion, cracks and chipped surfaces, rubble and broken masonry accumulated along base, uneven stone floor with scattered debris, faint vegetation visible outside through glass, warm desaturated stone tones contrasted with cool white light, high detail textures, atmospheric softness