Antonella Gerosa and Massimo Marchiori are a couple of architect-turned-winegrowers from Piedmont, who together farm and make the wines of Partida Creus. AA (Anonimo Ancestral) from Partida Creus is a sparkling natural wine obtained with the method of refermentation in the bottle from grapes of Xarel-lo, Parellada, Moscatel, Ull de Llebre organically grown in Penedes, Catalonia