Ключевые слова: activity, architecture, building, business, busy, buy, center, centre, city, commerce, commercial, concept, corporate, customer, escalator, floor, gallery, glass, hall, indoor, inside, interior, light, mall, marble, market, modern, motion, move, movement, multilevel, office, outlet, people, purchase, retail, sale, shop, shopping, speed, staircase, stairs, stairway, store, supermarket, technical, trade, urban, vestibule, view,