Looks like many of the windmills we have seen...
but a city appears behind it.
Vienna is one of four cities in the world to have a United Nations headquarters (New York, Geneva, Nairobi). There are several UN buildings on this north bank of the Danube.
Looking upriver.
Looking downriver.
The Hilton is very lovely and peaceful here on the south bank of the river, but you might want to stay closer to the city center.
KG