Evening view of tourist boats on the Douro River looking towards Vila Nova de Gaia and Porto wine shops, Porto, Portugal, Europe

View of Dom Luis I Bridge over Douro River and Vila Nova de Gaia waterfront with Porto wine ships and Ribeira view, Porto, Portugal, Europe

Night view of Dom Luis I Bridge over Douro River with Vila Nova de Gaia with traditional buildings in the background, Porto, Portugal, Europe

View of Dom Luis I Bridge over Douro River and Vila Nova de Gaia waterfront with Porto wine ships and Ribeira view, Porto, Portugal, Europe

Nightime view across the Duoro River of Porto's south bank, Gaia, housing the cellars of famous Port wine companies, Vila Nova de Gaia, Porto, Norte, Portugal, Europe

View from Vila Nova de Gaia View over Douro River at sunset to Ribeira District, UNESCO World Heritage Site, Porto (Oporto), Portugal, Europe

View of Sandeman Winery (Port Wine Cellar) and restaurant at sunset, Vila Nova de Gaia, Porto, Norte, Portugal, Europe

View of Sandeman Winery (Port Wine Cellar) and restaurant at dusk, Vila Nova de Gaia, Porto, Norte, Portugal, Europe

Day view of food shops with outdoor seats by Douro River waterfront and buildings, Vila Nova de Gaia, Porto, Portugal, Europe

View towards Vila Nova de Gaia, Dom Luis I Bridge and Monastery of Serra do Pilar, UNESCO World Heritage Site, Porto, Portugal, Europe

Cais da Ribeira, facing the bridge Ponte de Dom Luis I, Ribeira Quay, behind the monastery Mosteiro da Serra do Pilar, Vila Nova de Gaia, Rio Douro River, Porto, a UNESCO World Heritage Site, Portugal, Europe

View of Porto city and Douro river and Dom Luis bridge I from famous tourist viewpoint Miradouro da Serra do Pilar on sunset. Porto, Vila Nova de Gaia, Portugal, Europe

View of illuminated Porto city and Douro river and Dom Luis bridge I from famous tourist viewpoint Miradouro da Serra do Pilar in evening twilight. Porto, Vila Nova de Gaia, Portugal, Europe

View of Vila Nova de Gaia city with Mosteiro da Serra do Pilar monastery and Douro river on sunset. Porto, Vila Nova de Gaia, Portugal, Europe

View of Porto city and Douro river and Dom Luis bridge I with metro tram from famous tourist viewpoint Miradouro da Serra do Pilar. Porto, Vila Nova de Gaia, Portugal, Europe

View of Porto city and Douro river and Dom Luis bridge I from famous tourist viewpoint Miradouro da Serra do Pilar on sunset. Porto, Vila Nova de Gaia, Portugal, Europe

Cais da Ribeira with a view of the Ponte de Dom Luis I, Dom Luis I Bridge, Ribeira Quay, at back the Mosteiro da Serra do Pilar Monastery, Vila Nova de Gaia, Rio Duoro River, Porto, UNESCO World Cultural Heritage Site, Portugal, Europe

Porto casks, Sandeman storehouse, Vila Nova de Gaia, Porto, Portugal, Europe

Cais da Ribeira with a view of the Ponte de Dom Luis I, Dom Luis I Bridge, Ribeira Quay, at back the Mosteiro da Serra do Pilar Monastery, Vila Nova de Gaia, Rio Duoro River, Porto, UNESCO World Cultural Heritage Site, Portugal, Europe

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

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

View over the river Douro to the old town of Porto and Vila Nova de Gaia at dusk, Portugal, Europe

View of the historic centre of Porto with the Rio Duoro River from the Vila Nova de Gaia quarter, Porto, UNESCO World Cultural Heritage Site, Portugal, Europe

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

Barrels, Sandeman storehouse, Vila Nova de Gaia, Porto, Portugal, Europe

Train on the Ponte de Dom Luis I Bridge, on its way from Porto to the Vila Nova de Gaia quarter, Porto, Portugal, Europe

Dom Luis I Bridge to Vila Nova de Gaia, Porto, Portugal, Europe

Dom Luis I Bridge to Vila Nova de Gaia, Porto, Portugal, Europe

Barrels, Sandeman storehouse, Vila Nova de Gaia, Porto, Portugal, Europe