Holding the title of the 2nd-longest river in Europe, bested only with the Volga River (central and south Russia), the Danube’s banks are lined with castles and fortresses, bodily showing the significance of the river that tracks like the famous waltz, The Blue Danube ( In its attributes as well https://history-of-sz-chenyi-l-nc30740.blog5.net/80187859/5-essential-elements-for-chain-bridge-sightseeing