Promote local and extra-local knowledge of the site of the Laouziere, the historic stone quarries of S. Pietro Monterosso (Grana valley): this is the main objective of Pèire que préiquen (“speaking stones” in the Occitan language ), the artist residence launched by the Eco museum Terra del Castelmagno, in collaboration with the Chambra d’Òc Association, the NOAU Association | cultural workshop and the Liretta Association, with the contribution of the CRC Foundation.