Ключевые слова: airport, architecture, background, blue, business, city, clean, colorful, corridor, empty, escalator, floor, gray, group, hall, indoor, inside, interior, light, metro, modern, motion, move, moving, moving staircase, moving stairs, moving stairway, new, office, perspective, reflection, speed, stairway, station, steel, step, textured, transport, transportation, urban, view, walkway, way,