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Austria - Burg Aggstein, Beautiful landscape with castle ruin and Danube River at sunset in Wachau valley Austria.
Dramatic view of the Donauschlinge (Danube bend or loop), a spectacular meander where the mighty river makes a 360 degree turn, Upper Austria
Vienna city, Austria.
Wild birds paradise - River Danube in Romania - Delta, nature pure in a water world as seen from a boat.
Alb-Donau-Kreis. Administrative area of Germany highlighted and outlined on a darkened satellite image taken in May 2018

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