Ключевые слова: abstract, adult, background, bag, blur, building, business, busy, city, commute, commuter, commuting, crowd, crowded, door, entrance, exit, hour, hurry, indoor, inside, interior, man, mass, metro, modern, motion, pass, passenger, people, person, platform, public, queue, rail, railroad, railway, sign, stairs, station, subway, train, transit, transport, transportation, travel, underground, urban, waiting, walk,