Stock photography, photos: Boats in Douro River Porto Stock photos of The city of Porto in Portugal is where Porto whine is done. In the past, they brougth the grapes from the valley to the city in the same boats following the Douro river. Photograph: © Matthieu Menard Click for a larger image and more information Keywords associated with this stock photo: Europe, Portugal, Porto, whine, boat, old city, river, Douro, port, vin, fleuve, bateau