blade circle circular cut disc edge edges round saw sawblade sawing shape sharp sundtool wheel abstract angled angles appearance architectural architecture building buildings city contemporary contrast contrasting corners distinctive edged elements exterior external framed frames geometric geometric-shapes glass gray grey height high high-rise light linear lines modern patterned patterns perspectives sharp-cornered sharp-corners Singapore straight-up-and-down surface surfaces textured textures views wall walls windows close-up green insect leaf macro nature soft London pointed sky tower background glass stones glass objects sharp edges tiles