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Porto Portugal bridge, view of people walking across the upper level of the Dom Luis bridge spanning the Douro River in the centre of Porto, Portugal Stock Photo - Alamy
![People walking on a Dom Luis I Bridge in Porto city on Iberian Peninsula, second largest city in Portugal Stock Photo - Alamy People walking on a Dom Luis I Bridge in Porto city on Iberian Peninsula, second largest city in Portugal Stock Photo - Alamy](https://c8.alamy.com/comp/KDPCN9/people-walking-on-a-dom-luis-i-bridge-in-porto-city-on-iberian-peninsula-KDPCN9.jpg)
People walking on a Dom Luis I Bridge in Porto city on Iberian Peninsula, second largest city in Portugal Stock Photo - Alamy
![Porto, Portugal - MAY 2019: Walking through Porto Bridge with River Ship and Walking Road Editorial Photo - Image of stone, water: 183389051 Porto, Portugal - MAY 2019: Walking through Porto Bridge with River Ship and Walking Road Editorial Photo - Image of stone, water: 183389051](https://thumbs.dreamstime.com/z/porto-portugal-may-walking-bridge-river-ship-road-roadwalk-183389051.jpg)
Porto, Portugal - MAY 2019: Walking through Porto Bridge with River Ship and Walking Road Editorial Photo - Image of stone, water: 183389051
![We walked the world's longest suspension bridge in Portugal's natural playground | Portugal holidays | The Guardian We walked the world's longest suspension bridge in Portugal's natural playground | Portugal holidays | The Guardian](https://i.guim.co.uk/img/media/ab2a2abc4af5fd4d4c7afc3128dbf76d93de2770/0_471_4032_2419/master/4032.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=87bbac3297f98cf425dadfd8abc9a365)