The remains of a German ship lie exposed near a large dam on the Danube River near Prahovo in Serbia. Beached: Leisure boats lie on the exposed river bed caused by falling water levels in Novi Sad, Serbia. Further north, Germany is facing similar concerns over the impact of drought on transportation and industry as water levels on the Rhine continue to drop. AdvertisementIn Hungary, prolonged drought and the Danube’s record-low water levels have severely affected the country’s only nuclear power plant, which relies on river water to cool its reactors. Vessels stranded high and dry on the Rhine near Tolkamer in the Netherlands.