Danube Valley Railway (Baden-Württemberg) Inzigkofen was pushed through by the German general staff, for whom the Danube Valley Railway was seen as a strategic railway in case of another war with France. Since 1901, the Danube Valley Railway, together with the Höllentalbahn (Schwarzwald), form part of the pan-regional railway link from Ulm to Freiburg im Breisgau. The Danube Valley Railway runs alongside the Danube river and crosses it several times. From Immendingen the line runs across the Upper Danube Nature Park "(Naturpark Obere Donau)", brushing up against the southern edge of the Schwäbische Alb, all the while following the course of the Danube. Between
Waves of the Danube known as "Danube Waves Waltz." The melody of "Waves of the Danube" was used in what is regarded as Korea's first popular song, "In Praise of Death" by Yun Sim-deok recorded in 1926. The song was recorded in Osaka, where she met and fell in love with a Korean married man. The two boarded a steamship returning to Korea, but ended their lives by jumping into the sea. "Waves of the Danube" became known in the United States only half a century later. Al Jolson and Saul Chaplin published it in 1946 under the name of "The Anniversary Song" ("Oh,