panorama of danube river (dunav)at iron gates (djerdap) in banatska palanka with smokes and

danube river pollution factory power plant fume smoke zagadjenje air chimney industry industrial banatska palanka stara sribja reka dunav water nature bantska srbija sunset dusk travel landscape outdoor view scene djerdap iron gates serbia serbian balkan europe portile din fier natural bank panorama environment dunavat beginning palaka smokes spring polluting background palawith