The camp of the Legio X Gemina Monument · Santibáñez de Vidriales, Benavente y Los Valles, Zamora Image of Santibáñez de Vidriales, not of the place itself. The legionary camp of Petavonium occupied some twenty hectares in the Vidriales valley from around the year 25 before Christ, to control the southern Astures and watch over the routes of the northwest. Photo: Antramir (CC BY-SA 3.0) What to see and do in Santibáñez de Vidriales