Ключевые слова: airport, architecture, austria, building, busy, central, city, city airport train, city traffic, cross, crowd, europe, grand, hub, inside, interior, line, metro, new, people, people traveling, people walking, platform, public, public transport, public transportation, rail, rail station, railway, rush, s bahn, sign, station, suburban, subway, terminal, train, train station, trains, transit, transport, transportation, travel, travel station, u bahn, urban, vienna, waiting, walking, wien,