Tourists walk past an ancient cistern at Napoli Sotterranea, a series of underground tunnels that run under Naples city, Italy.

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Size: 3378px × 4504px
Location: Napoli Sotterranea, Vico San Anna di Palazzo, Naples, Metropolitan City of Naples, Italy
Photo credit: © Leisa Tyler / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, ancient, campania, chambers, cisterns, city, ducts, geothermal, greeks, italian, italy, living, naples, napoli, raids, sandstone, shelter, sotterranea, tuff, tuffaceous, underground, volcanic, water, zone