Porto, second-largest city in Portugal. Located along the Douro river estuary in Northern Portugal. Its historical core is a UNESCO World Heritage Sit

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Porto, second-largest city in Portugal. Located along the Douro river estuary in Northern Portugal. Its historical core is a UNESCO World Heritage Site

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Size: 5472px × 3648px
Photo credit: © Luis Leamus / Alamy / Afripics
License: Royalty Free
Model Released: No

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