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 accommodation angles arch arched arched-windows arches architecture Australia building castellated castellation college design elements height heritage high historic historical history hostel masonry monastery old ornamental ornamentation Rooms rural solid walls windows