Ключевые слова: architecture, austria, austrian, building, cable, city, classic, electric, europe, european, historic, landmark, network, old, outdoor, park, passengers, public, rail, red, ring, ringstrasse, road, rush hour, stop, street, streetcar, tourism, town, train, tram, tramway, transport, transportation, travel, trees, trolley, urban, vehicle, vienna, vintage, wien,