arches desert double arch Moab parks red rocks stone usa arched architecture carved christian church decorative double elements glass ornamental pair pillar religion religious stained stonemasonry two wales wall welsh window angles architectural artistic closed craftsmanship dark decorated distinctive doors doorways double-doors entrances exterior fitting framed frames historic light linear lines patterned patterns pillars security sepia shadows solid steps stonework style symmetrical symmetry textures windows black-&-white gray grey greyscale monochrome color colored colors colour coloured colours green arch Australian building entrance facade historical history old ornamentation plain safety Somber sombre walls