abstract aqua aquamarine art backdrop background banner blank blue border canvas cloudy color colour concept copy decoration design Designs detail faded frame graphic grunge grungy ice illustration image layer mottled old page paint paper parchment plaster render scrapbooking space stained texture turquoise vector wall wallpaper wash white worn circle draw drawing engineer geometry office pencil plan project tech technical work workplace tecnical above angles arched arches architectural-elements architecture building city Colonial colored colors coloured colours cover covered dark decorated decorative designed distinctive exterior external façade features frontage height heritage high historic light ornamental patterns perspectives picturesque shade shadows shape shapes Singapore style sunlight sunshine traditional ceiling colorful coloring colourful colouring creative curved curving decorations detailed direction display eixt-tunnel exit floor flooring lighting lights lit mirrored mirrors passengers pedestrians people shiny subterranean-tunnel thoroughfare transportation-route Underground walled walls way-out artistic artwork centrepiece circles circular compass compass-points contrast contrasting distinct feature floor-feature pointed points polish polished reflecting reflections shine shining surface surfaces symbol symbols textured textures