The Vaca Vayona of New Year's Eve Activity · Alfaraz de Sayago, Sayago, Zamora Image of Alfaraz de Sayago, not of the place itself. Between 31 December and 1 January the Vaca Vayona goes through the streets, a masked character with horns and a cowbell; it is the winter masquerade of a municipality of 120 households and dehesas of holm oak and cork oak. Photo: alvaro villoria (CC BY-SA 3.0) What to see and do in Alfaraz de Sayago