英文關鍵字
porto
portugal
bridge
river
travel
dom
night
old
architecture
cityscape
oporto
douro
luis
traditional
timelapse
illuminated
aerial
reflection
above
urban
europe
portuguese
time
lapse
historical
city
top
famous
evening
cable
watercourse
metal
destinations
transport
tourism
skyline
panorama
road
world
historic
red
landscape
heritage
water
sky
ancient
engineering
unesco
iron