Ключевые слова: abstract, background, black, blue, cold, color, control, day, direction, elegance, element, equipment, lamp, life, light, line, metal, motion, old, outdoor, pattern, railroad, railway, rain, rainy, safety, scene, semaphore, sign, signal, sky, station, stop, stoplight, symbol, traffic, train, transport, transportation, travel, urban, vibrant, vintage, warning, way, white,