Ключевые слова: abstract, alphabet, art, background, black, bus, car, city, continuity, continuous, contour, doodle, drawing, drawn, icon, illustration, innovation, land, life, line, modern, one, outline, passenger, public, road, simplicity, single, sketch, station, stop, street, text, thin, traffic, transport, transportation, travel, typescript, vehicle, wheel, white, word,