water of lillaz waterfall cascate di lillaz over karst granite rapids, vertical photo, aosta valley, italy

alpine aosta autumn backdrop background black brown cascade cascate cataract clear cliff closeup contrast curly dark daytime depth drop foam geology gorge granite gravel gray hollow italy karst lake layer lichen light lillaz line mineral mountain nature outpouring pattern photo quantity rapids rock shadow slope spray stone stream strength texture transparent valley vertical volume washed water waterfall white