Ключевые слова: adult, architecture, background, beautiful, black, building, business, center, child, city, down, escalator, foot, going, leg, lifestyle, light, mall, man, modern, move, office, pan, panning, people, safety, shoes, shop, stair, staircase, stairway, standing, station, step, transport, transportation, travel, up, urban, view, walk, white, woman, young,