forcalquier, provence-alpes-cote d'azur, france: rochers des mourres, landscape of the strange geological formation

forcalquier provence france les mourres alpes cote azur haute rochers des landscape trekking geology geological geologic formation strange mountain plateau rock wild picturesque nature park natural outdoor hiking hike stone erosion sunset weird trek prealps french dramatic sky provencealpescote daazur travel alpesdehauteprovence famous landmark luberon countryside 039 provence-alpes-cote d'azur france: alpes-de-haute-provence