brick bricks brickwall brickwalls brickwork brickworks building construction house mortar stone stones sundbricks texture tile wall work area asphalt background backgrounds block blocks granite grey hard material moss pattern patterned patterns pavement repitation sideway square textural textured textures urban walkway walls architecture backdrop color colorful colors colour colourful colours different New old red stripes structure structures variations vertical wallpaper abstract architectural barrier basic brick-wall building-material colored coloring coloured colouring composite constructed distinctive exterior external firm linear lines perspective perspectives rectangles rough secure security solid standard strength strong style surface surfaces symmetry uneven varied various buildings