Ключевые слова: activity, adult, background, care, caution, city, city street, close up, closeup, color, colorful, concept, control, crossing, crossing sign, crosswalk, danger, day, freedom, go, green, health, human, light, man, modern, pattern, pedestrian, people, protection, red, road, road sign, safe, safety, security, signal, sky, stop, stoplight, street, symbol, system, traffic, traffic light, transport, transportation, urban, vehicle, warning,