On the gallery floor, a circular arrangement of stones attracts the visitor's attention. From the beginning of the research period it has been the subject of dispute: some people see it as a man-made structure, while others attribute it entirely to collapsed blocks. Anthropo-geomorphological study has revealed that although the majority of the structure is of natural origin (resulting from the fall of a stalagmitic floor present on the ceiling); three of the blocks were moved by Palaeolithic people to make the structure more perfectly circular. This action confers a cultural status on the structure, of whose meaning we are unaware. Flint and limestone chips have been found in small fissures in one of the blocks of this structure.
Galerie du Cactus
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