Ключевые слова: abstract, amazing, asia, asian, background, busy, capital, cars, citizen, city, clutter, colorful, colors, coming, crowd, crowded, day, evening, follow, full, group, hanoi, helmet, hour, jam, many, modern, motor, motorbike, motorcycle, moving, old, people, poverty, road, rush, street, taxi, traffic, trafficjam, transport, transportation, urban, vietnam,