![](http://www.alamy.com/thumbs/6/35E8B420-92F1-4C6D-80EA-19CEFB29D150/2F2PW5Y.jpg)
Dom Luis I Steel Bridge on the Douro River in Porto, Portugal
Size: 7360px × 4912px
Photo credit: © FredP / Alamy / Afripics
License: Royalty Free
Model Released: No
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