dam at lago di beauregard, val grisenche, italy

alp alps architectural architecture barrage barrier beauregard blocking building car civil construction control dam deep electricity energy engineering europe european fir firs flood floodcontrol generate generating grass green grisenche high house hydroelectric italian italy lago landscape melt meltwater mountainous natural nature power prevent prevention protect protection railing reservoir river road safe safety slope spectator spruces storage technique technology tree trees valley view wall water watermanagement works