The underground well at Quinta da Regaleira in Sintra, Portugal

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Size: 2832px × 4240px
Location: Quinta da Regaleira, Sintra, Portugal
Photo credit: © Hugh Mitton / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: arches, archway, cobblestones, corkscrew, da, fibonacci, granite, historic, masonry, medieval, portugal, quinta, regal, sintra, spiral, stonemasons, stones, tourism, travel