abstract angled angles appearance ball colored colorful coloring colors coloured colourful colouring colours common Dirt dirty face fading popular recognisable recognizable round rubber-ball smile smiley-face symbol symbolic toy variations variety wearing-out well-known worn yellow abandoned aging appearances background brown corroded corrosion damage damaged dark decay derelict deteriorating deterioration discarded discoloration discolouration disrepair dumped exposed metal neglect neglected old rough rubber rust rusty surface surfaces texture textures tire truck tyre unwanted vehicle wearing weathered weathering wheel worn-out wornout bacterium Biochemical Warfare Black & White. City Life danger Flu Mask gas mask hay fever illness Infectious Disease Inhaling Judgement Day mask pollution Pollution Mask Respiratory Infection safety Standing Out From The Crowd toxic waste urban scene virus