selective blur on petrovaradin fortress in novi sad, serbia by the danube river at duskwith a banner indicating novi sad is the

petrovaradin fortress petrovaradinska tvrdjava tvrdava novi sad serbia serbian river spring background sky danube castle travel outdoor dunav reka architecture building tourism europe history tower historical beautiful nature hill monument old landscape city spot tourist visit vojvodina novisad european capital culture 2022 prestonica kulture dusk sunset