Roman gold workings of Sigüeya and Lomba Historical milestone · Benuza, La Cabrera, León Image of Benuza, not of the place itself. Recent surveys have documented, within the municipal areas of Sigüeya and Lomba, in Benuza, several Roman-period gold-mining operations, with open-pit faces and rock-cut structures linked to the same hydraulic system that fed Las Médulas. siglo I Photo: Hovallef (CC BY-SA 4.0) What to see and do in Benuza