abstract background blue color colorized concrete decay design grunge grungy line lines paint painted rough scratch scratched scratches surface texture urban wall attached colorful colors colourful colours covered edged folds frilly fronds gray grey hardy interesting lacy lichen shapes silvery stippled stone textures architecture block brick build building cement cinder cinder block concrete block construction grid ladrillo level mason masonry plaster rectangle appearance brown colored colour coloured curved curves grain grained panel paneling panelling surfaced surfaces textured uneven varnish varnished wallpaper wood wood-grain wooden aluminium braille culture discs elements iconic landmark metal modern New norway norwegian opera house oslo pattern style bathroom calcium carbonate ceramic clay cover decor decoration decorative effect fired floor flooring kitchen marble marbled material tile angles arch arched arches architectural architectural adornments center centre craftsmanship cultural decorated Designs detailed detailed patterns distinctive heritage historic historical islamic light Motifs ornamental ornamentation perspectives shape shaped symmetrical symmetry wall decoration backdrop ceramics decorations glazed multicolored multicoloured pottery rectangles structure structures tiles bricks brickwork building-blocks cracks cream firm loose selected selection singles solid strength variations variety walls