dam and reservoir on lake vidraru. hydropower construction, waterworks dam vidrau on transfagarash highway in romania

arges artificial blue bridge carpathian color concrete construction countryside dam electric electricity energy engineering europe fagaras fgra highway hiking holiday hydro hydroelectric hydroelectricity hydropower infrastructure lake landmark landscape mountains nature power regions reservoir river romania sky station structure summer tourism transfagaras transfagarasan transfagarash transylvania travel vidraru vidrau view wallachia water waterworks weekend wilderness