water level in sluice gates

waterway wall water river canal infrastructure road reflection winter transport snow street tree asphalt pond bridge stream art sluice gates irrigation canals level gauge gate auge mge monge monitoring survace surface level people backgrounds material close-up abstract old design rough concrete dirty construction industry cement stone material architecture irrigation equipment sluice water dam agriculture canal gate river environment engineering industry reservoir technology landscape scenery rural scene nature coastline agricultural equipment waterfall flowing water sluice gate floodgate flow control