The mighty Douro river runs through Porto, Portugal on its way to the Atlantic Ocean. For centuries, the Douro has been used to bring grapes down from Portugal's renowned vineyards into the city for making the famous port wine.
The mighty Douro river runs through Porto, Portugal on its way to the Atlantic Ocean. For centuries, the Douro has been used to bring grapes down from Portugal's renowned vineyards into the city for making the famous port wine.