belgrade under the fog seen from zemun, with a boat in front, on the danube river, and the fumes of an industrial chimney

background balkan beautiful belgrade beograd blue boat chimney city climate cloud cold condition danube dark district europe fading fog foggy from heavy industry its kej landscape most natural nature nnpicture northeastern outdoor pollution present quay river scene seen serbia serbian silhouette sky smog traditional travel tree view water wharf winter zemun zemunski