Ключевые слова: architecture, barcelona, building, busy, catalonia, city, cityscape, commute, commuters, crowd, day, destination, downtown, energy, europe, exterior, iconic, in trance, landmark, lifestyle, local, location, metro sign, metropolitan, modern, movement, pedestrians, people, public, rail, rush, sightseeing, spain, square, station, streets, subway, subway entrance, tourism, tourists, traffic, transit, transport, transport hub, transportation, travel, travel spot, underground, urban, urban life,