4 "Ficheiro:Ponte_Luiz_I,_Porto_-_panoramio.jpg".

Ficheiro:Ponte Luiz I, Porto - panoramio.jpg

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Ficheiro:Ponte D Luiz I, Porto - panoramio.jpg

archive.org/web/20161104004252/http://www.panoramio.com/user/1812155?with_photo_id=91472305 operator: Panoramio described at URL: https://web.archive...


Ficheiro:Ponte Dom Luiz I, Porto - panoramio.jpg

archive.org/web/20161013071426/http://www.panoramio.com/user/1812155?with_photo_id=10685159 operator: Panoramio described at URL: https://web.archive...


Ficheiro:Ponte D. Luiz - D. Luiz Bridge, Douro (Théophile Seyrig, 1886) - panoramio.jpg

archive.org/web/20161021105415/http://www.panoramio.com/user/596286?with_photo_id=64632509 operator: Panoramio described at URL: https://web.archive...