lago fedaia on the passo fedia in the dolomites above canazei. dam beneath the marmolada with low levels of water in the

alpine alps artificial barrage barrier caution clouds cloudy concrete construction copy dam danger dolomiten dolomites dolomiti edge empty fall fedaia hanging hazard hazardous lake lakes landscape left low marmolada mountain mountains mountaintop nature pass passo peak powder reservoir rock rocks safety shore snow space top valley warning water waterfront