Ключевые слова: air pollution, back, bicycle, black and white, car, chrome, circle, clean, closeup, color image, competition, concepts, cycling, design, engine, equipment, exploding, fashion, fumes, horizontal, land vehicle, large, lifestyle, luxury, metal, metallic, mode of transport, motorcycle, motorsport, no people, noise, outdoors, pollution, reflection, riding, road, shiny, side view, single object, social issues, speed, sport, steel, strength, technology, transportation, wheel,