old cork oak tree quercus suber in the evening sun in early spring, alentejo portugal europe

agriculture alentejo algarve aljezur background bark coast cork costa cycling douro early ecology europe evening evora faro forest greece green handicrafts hiking industry italy lagos landscape leaves nature oak old plant portimao portugal portuguese quercus region rota sardinia season sky spain spring suber summer sun sustainability trail tree vicentina vineyard walking wine winery