Keeping the title of the next-longest river in Europe, bested only with the Volga River (central and south Russia), the Danube’s banking institutions are lined with castles and fortresses, physically showing the necessity of the river that tunes such as the famous waltz, The Blue Danube ( Located in the https://lukascqdom.blogars.com/34043649/5-easy-facts-about-iconic-landmarks-of-budapest-described