colorful leaves and ripe black grapes on terraced vineyards of douro river valley near pinhao in autumn, portugal

bastardo europe mourisco tinto tinta amarela barroca cao roriz touriga francesa nacional agriculture autumn background black closeup colorful douro valley grape leaves grapes grapevine growth harvest heritage october organic outdoor pinhao plant porto wine portugal vineyard provesende quinta red ripe river season slope terraced vine viniculture viticulture winery yellow