panorama of the reka sava river between belgrade and obrenovac, in serbia, with a couple of splav, serbian raft floating houses,

river sava reka panorama landscape balkans nature water riverbank bank srbija beograd belgrade serbia obrenovac raft splav splavovi floating house serbian summer friends europe vacation activity relaxation vikendica sunset dusk leisure vojvodina voivodina european natural couple houses houses central southeast right-bank longest tributary danube flows slovenia croatia border bosnia herzegovina finally feeding danube capital