Ключевые слова: analog filter, ancient, architectural, architectural theme, architecture, bavaria, bavarian, blue, bridge, buildings, cathedral, catholic, church, city, city of three rivers, clouds, cultural heritage, danube, dreiflussestadt, famous, german, germany, ilz, inn, landmarks, largest church pipe organ, lower bavaria, mirroring, old, organ, outdoors, panorama, passau, passau city, reflection, river, rivers, saint stephens cathedral, scratches, shipping, summer, sunset, tourism, tower, town, travel, travel destination, travelling, trees, urban, urban scene, water, waterfront,