Ключевые слова: architecture, austria, business, city, destination, engine, europe, green, heritage, historical, htteldorf, lamp, landmark, line, locomotive, metro, nature, old, outdoor, passenger, passengers, people, perspective, platform, public, rail, railroad, rails, railway, retro, roof, station, subway, tourism, track, train, transport, transportation, travel, tunnel, ubhan, underground, urban, vehicle, vienna, wall, work,