Vicus Aquarius, the Roman waystation Curiosity · San Cebrián de Castro, Tierra del Pan, Zamora Image of San Cebrián de Castro, not of the place itself. The origin of the settlement is usually identified with this stop on the Roman road between Emerita and Asturica, the Vía de la Plata, which crossed the municipal district before the medieval town was raised over it. Photo: Enrique.garzo.cano (CC BY-SA 4.0) What to see and do in San Cebrián de Castro