Transcription: From its mouth in Rotterdam in the Netherlands, the Rhine River leads into the industrial heart of Europe. Once it formed a natural defense protecting the Roman Empire from northern barbarians. Today it is part of a huge river network which connects it to Europe's longest river, the Danube. Skirting the Alps, the Danube flows east across the Hungarian plain. It irrigates farming land between the Carpathian and Balkan mountains and produces hydroelectric power for Eastern Europe, as well as being a major your natural trade route. By the time it reaches the Black Sea Delta, the Danube has passed ...
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