backdrop background brick bricks clay clinker construction downtown pastel pattern pavement paving plaster row sidewalk stone strong structure texture vitrified block blocks cobblestone footpath path pathway paver road scene street textures walkway abstract concrete dark decay design granite gray grungy marble natural texture. grunge urban brick wall bricks wall brickwall ground stones tile wall wallpaper walls beach ceramic floor gandia mosaic multicolour pool summer tiles black blue brown colored colors coloured colours dark blue light blue orange rainbow red spiral spiraling yellow