Ключевые слова: abstract, art, asphalt, background, banner, caution, color, concrete, construction, country, crack, design, direction, dirty, flag, floor, graphic, ground, grunge, illustration, instruction, line, material, national, old, paint, pattern, pavement, peeling, red, road, rough, rule, sign, street, surface, symbol, texture, textured, traffic, transportation, urban, versus, vintage, wall, wallpaper, way, white,