alcove angles architectural background barrier brick-wall brickwork coloring colors colouring colours constructed corner dirty exterior external firm grime 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 weathered well-built abstract appearance art artistic backdrop blended circular color colored colorful colour coloured colourful dark decoration decorative design details edges geometrical interconnected intermeshed interwoven light patterned patterns shape shaped shapes soft squared string string-like symmetry thick thin vibrancy vibrant white arch arching architecture bedrock brick-walls bricks formation heritage historic Historic site kiln kilns lime-kilns park patched patchwork repairs rock rock-work rocks rubble ruins shadows stone stone-wall stone-work stones structure sunlight surfacing variations walls arches bright checkered coloration floor-tiling horizontal interlinked lined matrix mosaic row rows small square squares tiles tiling vertical bamboo bamboo-like contrast contrasting geometric green interlaced intertwined orange weave woven fine linked links mat pattern stars tight tightly-woven bark blackened burnt caution cautious damp danger dangerous dead dry fruits lacking depth leaves Roots rough seed pods seeds surface roots tangled tree trip tripping aspects bridge buildings bus city highrise landmarks lighting lights river riverside sepia Singapore transport travel water waves