victor Danube river at the Kalemegdan fort in the Belgrade 4 Jahren ago Danube river at the Kalemegdan fort in the BelgradeDas Bild Danube river at the Kalemegdan fort in the Belgrade von… Danube river flows by Kalemegdan fort in the Belgrade 4 Jahren ago Danube river flows by Kalemegdan fort in the BelgradeDas Bild Danube river flows by Kalemegdan fort in the Belgrade von…