View of the Douro River and historic centre of Porto, Portugal. It was declared a World Heritage Site by UNESCO, and it is one of the most popular tou


View of the Douro River and historic centre of Porto, Portugal. It was declared a World Heritage Site by UNESCO, and it is one of the most popular tourist destinations in Europe.


Size: 6000px × 4094px
Location: Portugal
Photo credit: © Efired / Alamy / Afripics
License: Royalty Free
Model Released: No

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