英文關鍵字
alto
blue
cultural
designated
douro
europe
european
haze
heritage
hills
historical
landscape
left
level
mist
move
northern
officially
oporto
pan
plants
port
porto
portugal
portuguese
region
right
rocky
site
sky
slope
soil
summer
terraced
terraces
unesco
valley
vine
vineyard
vineyards
vinho
wine
world