abstract angles backdrop background blended blue color colored colors colour coloured colours decorative edges geometric geometrical interconnected intermeshed interwoven light patterns perspectives shapes style surface surfaces texture textured textures vibrancy vibrant wallpaper water watery waves artistic design details lines overlapping rippled ripples rounded shape shaped art arty decoration detailed image images mosaic round appearance architectural architecture building circular curved dark elements feature gray grey height high points radiating railing rails roof roofing safety secure bright dots linear lined purple spots angled buildings city contemporary contrast contrasting corners distinctive edged exterior external framed frames geometric-shapes glass high-rise modern patterned sharp sharp-cornered sharp-corners Singapore straight-up-and-down views wall walls windows