![](http://www.alamy.com/thumbs/6/1BB7D14C-0389-47A5-889F-36BE527592E2/B19838.jpg)
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, del, el, footpath, gold, heritage, hydraulic, las, leon, mankind, medulas, mina, mines, mining, montium, monument, open, opencast, ponferrada, region, roman, ruina, site, spain, spanish, tourism, travel, unesco, villafranca, walking, world