Harvesting and drying are long, delicate operations that need to be carried out at a very specific time. Entire families are mobilised to accomplish this communal work, which explains how the know-how has been passed from one generation to the next since at least 1870. ###>Des familles entières se mobilisent pour accomplir ce travail collectif, ce qui explique que le savoir-faire se transmet de génération en génération depuis au moins 1870.