Corpus Christi Convent, Gaia District, Porto City, Portugal, Europe

Santa Marinha Church, Gaia District, Porto City, Portugal, Europe

The Dom Luis I Bridge and Ribeira district of Porto, UNESCO World Heritage Site, viewed from the Gaia Cable Car, Porto, Portugal, Europe

Boats on the Douro River and traditional houses of Ribeira District seen from Vila Nova de Gaia district, Porto, 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 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 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 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