angles appearances architectural architectural elements architecture battlement building carnels corbels crenellation crenels decorative decorative-battlements defensive-architecture defensive-wall extended-outwards fort fortification fortress masonry-structure merlons ornamental ornamentation parapet ramparts segment supported supporting-corbels supports wall wall-segment wall-tower Asian ceramic chinese colored colorful coloring colors coloured colourful colouring colours cultural culture decorative wall display displayed dragon dragons dramatic external wall glazed good fortune joined linked luck symbol symbolic tiled tiles variations wealth