Ключевые слова: abstract, background, blue, concept, contaminated, control, danger, design, direction, dirty, frame, front, grunge, information, intersection, isolated, law, message, metal, no, object, old, pattern, post, red, retro, road, rural, rust, safety, shabby, sign, signal, single, speed, stop, street, symbol, text, texture, textured, tool, traffic, transport, travel, vintage, wall, warning,