a classic stone-framed window with metal bars and a grid-patterned glass .

classic stone-framed window metal bars grid-patterned design black iron add touch security while white grid contrasts against aged stone facade architecture frame protection building exterior old historic structure symmetry detail pattern vintage geometric wall antique entrance heritage masonry classical timeless historical vertical lines outdoor concept ilhavo aveiro portugal metal steel window security facade architecture protection old symmetry design pattern antique masonry security bar stone iron metal grid pattern border frame building exterior building feature architectural feature classical style physical structure white color black color close-up ornate geometric shape backgrounds historic eternity historic building outdoors concepts aveiro ilhavo historic vintage exterior wall iron bars classical vertical