Ключевые слова: active, adult, background, bike, boy, building, business, businessman, car, caucasian, city, cross, crossing, crosswalk, crowd, danger, day, exercise, fun, happy, life, lifestyle, light, male, man, modern, motion, outdoor, outdoors, pedestrian, people, person, road, safety, scene, sign, sky, speed, sport, street, town, traffic, transportation, travel, urban, walk, walking, white, young,