Ключевые слова: architecture, barcelona, building, catalonia, city, design, elevator, entrance, escalator, europe, fast, inside, interior, journey, l10, l9, lift, line, llefia, metro, metropolitan, modern, motion, passenger, platform, public, rail, railroad, railway, rapid, spain, spanish, speed, stairs, station, sub, subway, terminal, traffic, train, transit, transport, transportation, travel, tube, tunnel, underground, urban,