abstract angles art artistic arty backdrop background black blended blue color colored colors colour coloured colours decoration decorative design detailed detailed patterns edges geometric geometrical image images interconnected intermeshed interwoven intricate intricate patterns light lines patterns points shapes sharp style texture textures vibrancy vibrant wallpaper white bushes cannon castle cathedral city fortification gun houses lisbon Portugal roof roofs tree appearance bright circles circular colorful colourful curved curves curvy details joined linked perspectives rounded shape shaped waves wavy brown depth folds green kaleidoscopic patterns mandalas pulsating radiating red starbursts