The Roman villas of Aguilera Curiosity · Bayubas de Abajo, Berlanga, Soria Image of Bayubas de Abajo, not of the place itself. In the municipal districts of Bayubas and of its outlying village of Aguilera the remains of Roman villas have been documented, evidence of agricultural exploitation of the Duero valley long before the medieval frontier. Photo: Rowanwindwhistler (CC BY-SA 4.0) What to see and do in Bayubas de Abajo