abstract appearance art artistic background clean cleanser cleansing color colored colorful colors colour coloured colourful colours craft craftwork curved curves decorative design details embedded exfoliant exfoliate exfoliation gourd gourds loofa loofah loofah-slices lufa luffa shape shaped shapes sliced soap sponge-like style surface surfaced surfaces texture textured textures vegetable vine art-glass blended blue bright coloration contrast distinctive glass glassy interconnected interlinked interwoven light lighting liquid liquidy patterned patterns perspectives raised stained-glass surfacing tactile thick thin vibrant wallpaper window blocks brown clear crafted decorated hexagonal hexagons kaleidoscopic mosaic multicolored multicoloured paneling panelling panes presentation rounded symmetrical variations variety above angles arched arches architectural-elements architecture building christian church city Colonial community cupola domed doorway exterior external faith façade features frontage height heritage high historic ornamental painted picturesque pillars Presbyterian roof roof-top shade shadow Singapore sunlight sunshine traditional white brickwork chimneys coloring colouring craftsmanship history old ornamentation outside roofing solid stonework strong tower towered wall wall-segments windows black checkered checks contrasting grouting irregular linear lined lines matrix shiny small smooth square squared squares tiled tiles wall-tiles artistry green red soft vivid waves wavy bubbles bubbly round