Keeping the title of the 2nd-longest river in Europe, bested only through the Volga River (central and south Russia), the Danube’s banking companies are lined with castles and fortresses, bodily showing the value of the river that songs like the famous waltz, The Blue Danube ( For an unforgettable exploration https://danuberiver85285.bloggerbags.com/40560154/history-of-széchenyi-lánchíd-in-budapest-for-dummies