Danube-Auen National Park on both land and water, and other invertebrates, the total number of species in Donau-Auen National Park is estimated to be at least 5,000. Danube-Auen National Park Donau-Auen National Park () covers 93 square kilometres in Vienna and Lower Austria and is one of the largest remaining floodplains of the Danube in Middle Europe. The German word Aue (variant Au) means "river island, wetland, floodplain, riparian woodland", i.e. a cultivated landscape in a riparian zone. The words Aue and Au occur in a large number of German place names—including Donau, the German word for the Danube River—and refer to forests,
The Blue Danube (1932 film) concluded that neither the sound or photography were "up to modern standards". More recently, "TV Guide" called it a "plodding Gypsy musical." The Blue Danube (1932 film) The Blue Danube is a 1932 British romance film directed by Herbert Wilcox and starring Brigitte Helm, Joseph Schildkraut and Desmond Jeans. Its plot, based on a short story by Doris Zinkeisen, concerns a Hungarian gypsy who leaves his girlfriend for a countess, but soon begins to suffer heartache. "The Blue Danube" was made in both English and German-language versions. In a Hungarian gypsy encampment, carefree Sandor (Joseph Schildkraut) lives with his beautiful