746-89053 - City Porto (Oporto) at Rio Douro. The old town is listed as UNESCO world heritage. In the background the bridge Ponte de Arrabida. Portugal, Europe
832-259371 - View of the historic town centre of Porto with the Rio Duoro River from the Vila Nova de Gaia quarter, at back the Ponte de Arrabida Bridge, Porto, UNESCO World Cultural Heritage Site, Portugal, Europe
832-259381 - View from district Vila Nova de Gaia to the Old Town of Porto with River Rio Duoro, at the back Ponte de Arrabida Bridge, Porto, UNESCO World Heritage Site, Portugal, Europe
832-259374 - View of the historic centre of Porto with the Rio Duoro River from the Vila Nova de Gaia quarter, at back the Ponte de Arrabida Bridge, Porto, UNESCO World Cultural Heritage Site, Portugal, Europe
377-3851 - The Dom Luis 1 Bridge over the River Douro showing Porto Metro light rail in transit and Arrabida Bridge in background, Porto (Oporto), Portugal, Europe
377-3850 - The Dom Luis 1 Bridge over the River Douro showing Porto Metro light rail in transit and Arrabida Bridge in background, Porto (Oporto), Portugal, Europe