Water purification through nutrient retention of Danube floodplains is worth an estimated €369 million per year.
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Did you know
- The Danube Delta is the second largest river delta in Europe, after the Volga.
- The Danube originates in the town of Donaueschingen which is in the Black Forest of Germany at the confluence of the rivers Brigach and Breg.
- The deepest waters of the Black Sea extend to depths of well over two kilometers.