Cairns: the stones of discord on the paths of Cape Fréhel.
A trace of his passage, a work of art, everyone goes there with his cairn. & Nbsp; Stacking stones has become an activity & nbsp; fashionable for holidaymakers. & nbsp; Some very popular natural sites are beginning to suffer, especially due to erosion. It is the course at Cap Fréhel, in the Côtes d'Armor.