![](http://www.alamy.com/thumbs/6/717A6EC2-85A8-4720-AEE4-5B756D6BC298/B1978T.jpg)
La Cuevona of the Las Médulas, Spain. Las Medulas were the biggest mine in the Roman Empire.
Size: 3401px × 5120px
Photo credit: © Jose Pedro Fernandes / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ancient, archeology, bierzo, biezo, cast, castile, cuevona, del, el, gold, heritage, hydraulic, la, las, leon, mankind, medulas, mina, mines, mining, montium, monument, open, opencast, ponferrada, region, roman, ruina, site, spain, spanish, tourism, travel, unesco, villafranca, world