abstract appearance architectural background colors colours concrete decorative Designs details distinct distinctive edged edges embedded exterior external gray grey heavy interconnected interlinked light linear lined mosaic patterned pebbles protective rough secure shapes Sizes solid stones strength strong surface surfaced surfaces texture textured textures thick uneven varied various wall wallpaper angles appearances architectural-elements architecture barbed-wire box-like building contemporary contrast dark elements fence fencing glass height high industrial lines modern perspectives security square straight undustry views walls windows art artwork attached blue bright colored coloured creative-arts decoration electric-blue ornamental ornamentation outside patterns rectangles red shaped squares streaks style symmetry tiled tiles tints fancy fitted rectangular slabs smooth stone stonework thin variation adornment artistic Australian contrasting craftsmanship decorated design designed detailed detailing display façade frontage heritage historic historical peak quality