technical monument, old dam in pilchowice. poland

architecture attraction barier block bobr building cascade clean construction dam depths dirty electric electrical electricity energy engineering environment environmental european exterior floodgate foam foamed forest gate generate generating generation green historic historical hydro hydroelectric hydropower industrial industry infrastructure landmark landscape lower monument nature old outdoor outsite park pilchowice plant poland polish pond power protection renewable reservoir resource river silesia spillway station stone sunny supply surf technical technology tourist tree turbine valley wall water watts