英文關鍵字
and
architecture
boats
bridge
building
city
cityand
cityscape
district
dom
douro
downtown
dusk
europe
european
evening
famous
historic
historical
history
iconic
illuminated
landmark
luis
luiz
night
old
oporto
over
overview
panoramic
ponte
port
porto
portugal
portuguese
reflections
ribeira
river
romantic
sunset
the
their
tourism
town
travel
view
water
wine