Autour du Rateau, massif de l’Oisans. Isère.Drone Mavic 3. crevasse crevasse meije-eperon meije-eperon meije meije meije-lever-soleil meije-lever-soleil meije-mont-blanc meije-mont-blanc crevasse2 crevasse2 neige neige skyline-ecrins skyline-ecrins skyline-ecrins2 skyline-ecrins2