ada ciganlija river island turned into a park and a lake, located on the sava river in central belgrade, serbia

environment background reflection ciganlija boardwalk transport reservoir beautiful landscape undefined belgrade november waterway vacation landmark monument outdoors located central walkway vehicle channel beograd foliage history leisure natural outdoor serbian tourism tourist island turned serbia bridge marina autumn europe forest garden nature picnic scenic srbija summer travel river serbi coast shore water beach green scene park lake sava 2024 nove pier dock city fall spot sign tree view ada bay