abstract angled angles appearance ball colored colorful coloring colors coloured colourful colouring colours common face popular recognisable recognizable round rubber-ball smile smiley-face symbol symbolic toy variations variety well-known yellow Dirt dirty fading wearing-out worn color coloration colour familiar impressed impression outline outlined raised shape shaped shapes smiling surface surfaces surfacing texture textured textures copper foil glass pink germany Hasenbergl long exposure motion blur munich station subway train u-bahn Underground anas platyrhynchos animal bird drop droplet duck mallard nature river splash swim water wet wild wild duck wing