The exterior and outermost fish ponds of the Grotto of Tiberius at Sperlonga, with fish in the foreground.
Size: 5128px × 3419px
Location: Sperlonga, Italy
Photo credit: © Erin Babnik / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: aquaculture, archaeological, cave, fish, grotto, hatchery, italy, pond, roman, ruin, ruins, site, sperlonga, tiberio, tiberius, villa