Nera (Danube) basin and it is not navigable. After the filling of the artificial Lake Đerdap, as a result of the Iron Gate I Hydroelectric Power Station which was finished in 1972, the mouth of the river into the Danube was flooded. In order to allow the optimal electricity production, the water level of the Nera at the mouth should not go below , while it must not exceed it if the flooding of the banks is to be avoided. Since the mid-1990s, there are significant problems in fixing the river's level, as the process is costly and complicated. In 2018, representatives
Basilica of St. Lawrence, Enns Basilica of St. Lawrence, Enns The Basilica of St. Lawrence () also called Former Cathedral of St. Lawrence is a Catholic church located in the district of Lorch, Enns city in Upper Austria, part of the European country of Austria. It was a cathedral church and is now a minor basilica. It belongs to Enns-Lorch deanery in the Diocese of Linz. The church is a listed building. The Basilica of St. Lawrence rises above the remains of their Roman predecessors, which were discovered during archaeological excavations between 1960 and 1966. The oldest building - a Roman noble house - dating