cargo ship, a barge, cruising on the danube river in serbia, in belgrade, carrying construction material, coal, sand and gravel.

cargo ship barge cruising danube river serbia belgrade carrying construction material coal sand gravel navigation dunav srbija kargo shop engineering traffic transport transportation industrial industry vessel water boat travel company deliver mobility shipping floating energy engine dock city serbian landscape europe town panorama capital beograd fluvial major freight axis europepicture passing