© All Rights Reserved The River Douro in Porto viewed from the 45 metre high Dom Luis I bridge.On the left is Vila Nova da Gaia, centre of the Port wine industry and on the left is the Ribeira, heart of the city of Porto's nightlifeRelated images Porto's Neoclassical Hospital Foz do Douro Promenade Houses in the Ribeira - Porto Igreja dos Clerigos - Porto Fountain - Crystal Palace Gardens Onboard the Number 1 Tram - Porto