terraced vineyards form the hillsides of portugal`s douro river valley

iconic famous terraces portuguese culture travel destinations wine region unesco hills viticulture tasty country fruit summer world olive plantation terrace harvest natural tree heritage water boat cultivation home traditional coa garden view yard beauty scenic landmark alcohol lamego winemaking european outside concept destination industry tourist douro portugal tour blue tasting pinhao landscape river hill countryside nature green europe village vineyard porto agriculture tourism valley plant port field grape sky vine winery farm mountain rural