angles arched arched window architecture building christian church community faith fellowship heritage historic local-stone members old pattern patterns perspectives picturesque random randomly-coursed rock rocks rough rural shape shapes significant stone stone-walled stones stucco textures traditional uneven wall window windows worship abstract backdrop background barrier bolders boulders cemented coated concrete constructed cover covered erosion-prevention fitted hill mortar Rendered retaining-rocks retaining-wall rocky rugged secure security slope sloping solid stonework strength strong surface surfaces texture variations variety walled well-built communication contributions costs façade history Kalamunda message private residence semi-rural Western-Australia Darlington laterite inter-War Gothic style laterite local stone Lutheran popular randomly coursed St John’s unused appearance coloring colors colouring colours fitting large patchwork shade shadows shaped sharp sunlight sunshine brown perspective corner limestone