832-383299 - Diver looking at traces of erosion on the riverbed of the Verzasca River, Lavertezzo, Valle Verzasca valley, Canton of Ticino, Switzerland, Europe
832-239038 - Light-coloured ortho gneiss, metamorphic rock, which has been deeply cut by the Verzasca River near Lavertezzo, Valle Verzasca, Ticino, Switzerland, Europe