abstract appearance architectural background colors colours decorative Designs details distinct distinctive edged edges exterior external fancy interconnected interlinked light linear lined lines mosaic patterns perspectives rectangular rough shaped shapes slabs smooth stone stonework strength style surface surfaces textured textures thick thin tiled tiles uneven variation varied various wall wallpaper brown color coloring colour colouring designed feature focus surfaced variations Australian colored coloured compacted conglomerate contours contrast cracked cracks firm fissures flaws layered layers levels north northerm pindan red rock sandy seam seams shade shadows Soil strata stratum sunlight sunny sunshine texture veins