RGC, Ruined Gothic Cathedral, rgc_windowCU, gothic lancet window set within thick aged stone wall, tall narrow panes divided by slender mullions forming a rigid grid pattern, upper tracery with soft clover and trefoil motifs, glass panels textured and uneven with accumulated grime and subtle translucency, strong exterior daylight diffusing through glass creating soft luminous glow and gentle interior illumination, light falloff toward surrounding shadows, deep-set stone frame with layered gothic moldings and rounded worn edges, heavy erosion, cracks and chipped surfaces, rough granular stone with darkened moisture stains, adjacent wall showing irregular blocks and surface pitting, large pile of collapsed rubble and broken masonry gathered at base, scattered stones of varying size with dust and debris, small patches of vegetation emerging between rocks, worn stone floor partially visible with damp reflective patches, muted earthy tones contrasted with pale cool light, high texture detail, quiet abandoned atmosphere