Ключевые слова: abstract, adult, background, black, blurred, business, businessman, busy, central, child, city, commute, commuter, commuters, commuting, cross, crossing, crossroads, crosswalk, daily, day, hong, kids, kong, legs, life, lifestyle, motion, overhead, pedestrian, people, person, road, rush, speed, street, travel, urban, view, walk, white, zebra,