Ключевые слова: across, action, asia, asian, business, busy, car, city, cross, crossing, crosswalk, crowd, crowded, district, downtown, group, hanoi, human, law, legs, lifestle, lifestyle, motion, motorbike, motorcycle, movement, patient, people, person, road, run, running, scene, sociaty, society, speed, stop, street, stripe, traffic, urban, vietnam, walk, walking,