Drone panning from the left to the right, showing a windmill in the middle of the park located in Danube Island, in Vienna, Austria

danube island donauinsel vienna austria danube river artificial island neue donau flood protection pedestal drone shot windmill river island park bridge riverside boats blue skies clouds trees grass rollerblading cycling canoeing swimming recreational paradise sightseeing boating tourist spot playground waters river banks vienna skyline nature reserve flat beaches strollers joggers cyclists picnic areas meadows playing fields leisure harbours europe embankments walkways trawlers mountains plants