unesco world heritage, the beautiful endless lines of douro valley vineyards, in vila nova de foz coa.

agriculture beautiful coa country countryside cultivation cultural douro endless environment europe farm field fields foz fruit grape grapes grapevine green growing growth harvest heritage hill landscape leaf lines mountain natural nature nova outdoors plant plantation portugal region rural scenic tour tourism traditional travel unesco valley vila village vine vines vineyard vineyards viticulture wine winemaker winery world yard