英文關鍵字
aerial
air
angle
architecture
austria
austrian
autumn
baroque
breathtaking
building
capital
cities
city
cityscape
cloudy
dawn
district
downtown
dusk
electric
electricity
energy
europe
exterior
factory
famous
fog
fossil
fuel
fumes
global
gothic
hauptplatz
heavy
industry
landeshauptstadt
linz
misty
morning
mafrac14
hlviertel
old
panoramic
physical
place
pollution
residential
sky
skyline
smog
smoke
spring
stack
steam
structure
style
sundown
sunlight
technology
town
upper
urban
view
voest
vapara
est
warming
wide