abstract appearance backdrop background cascade cascading color colour drops feature feature-wall gray grey patterned patterns solid spray stone stone-wall stonework surface surfaces textures varied water water-feature water-spray waterfall wet barrier brown cemented coloring colors colouring colours concrete constructed heritage historic local-stone old pattern perspective perspectives picturesque random randomly-coursed retaining-wall rock rocks rough rural secure security shape shapes significant stone-walled stones strength strong stucco texture traditional uneven variations variety wall well-built Adaptation angles arched arched-window architecture building christian church community doors faith façade fellowship Kalamunda members private residence seating semi-rural trees walls Western-Australia windows worship aqua clean gravel pebble pool round shallow submerge ages bricks brickwork germany Goslar masonry material medieval middle romanesque bell crack dark design gloomy grunge grungy natural nature orange sand