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
Lech (Vorarlberg) German and American conspirators in 1940 tries to assassinate Adolf Hitler during the dictator's stay at the resort. Lech (Vorarlberg) Lech am Arlberg is a mountain village and an exclusive ski resort in the Bludenz district in the Austrian state of Vorarlberg on the banks of the river Lech. In terms of both geography and history, Lech belongs to the Tannberg district. In tourist terms, however, it is part of the Arlberg region. Lech is administered together with the neighbouring villages of Zürs, Zug, Oberlech and Stubenbach. The municipality is an internationally known winter sports resort on the mountain range