abstract appearance background black blended blue circles circular color colored colorful colour coloured colourful decorative design details geometric geometrical interconnected intermeshed interwoven light lines patterns perspectives raised shape shaped shapes style texture textured textures thick thin vibrant wallpaper white angles artistic backdrop bright colors colours linear rows fabric green lined stripes textile textiles connected connections paint red swirling swirls pattern glass office pentagon stoke-on-trent windows Cardiff city houses perspective Roath sky street urban halftone pink purple cathedral ceiling sevilla