Events in Switzerland › Grisons
Mineralien, Stein & Sand - geologische Entdeckungsreise durch die Rheinschlucht
From the source of the rock to the fine sand: the excursion through the Rhine Gorge shows how water, time and minerals shape the Alps.
Events in Switzerland › Grisons
From the source of the rock to the fine sand: the excursion through the Rhine Gorge shows how water, time and minerals shape the Alps.