abstract architectural architecture backdrop background barrier basic brick brick-wall bricks brickwork color colored coloring colors colour coloured colouring colours constructed exterior external linear lines mortar perspective perspectives secure security smooth solid standard strength strong style surface surfaced surfaces texture textured textures traditional-brick-wall variation varied various wall walled wallpaper well-built angled blended coloration decoration decorative design details interconnected interlinked light lighting lined multicolored multicoloured patterned patterns shape shaped spiral spiraling thick thin vibrant zigzagging zigzags angles appearance Australian closed craftsmanship dark decorated distinctive doors entrance fitting historic historical history old ornamental ornamentation pillar plain safety shadows sombre steps stone stonework walls blue circles circular enamel enameled enamelled holes holy intermeshed interwoven metal metallic perforated shapes building contemporary contrast contrasting edged edges elements framed frames geometric geometric-shapes gray grey height high high-rise modern sharp Singapore views windows horizontal interlaced intertwined pink pointed points piped pipes skyscrapers tubes tubular unusual bright colorful colourful curls curly geometrical green pastel