Ключевые слова: architectural, architecture, austria, austrian, board, building, business, city, cityscape, cooperation, country, day, economic, economy, embargo, entrance, establishing, export, facade, famous, headquarters, historic, history, international, landmark, logo, market, meeting, office, oil, opec, outdoor, petroleum, policy, political, politics, production, restriction, sign, street, urban, vienna, wien, wiener, window, world, worldwide,