Wrecks of Nazi German warships have resurfaced along the Danube in Serbia as record-low water levels expose vessels sunk during World War II.

The remains have emerged near the town of Prahovo over the past week, with around 20 wrecks of various sizes now visible to the naked eye from the riverbanks.

Joint clearance efforts by Serbia and the European Union are underway to clear these dangerous, explosive-laden obstacles and restore vital river traffic.