英文關鍵字
abbey
above
aerial
alps
architecture
arial
building
camera
cathedral
center
christianity
church
city
copter
drone
europe
flight
flying
gadget
gall
gallen
heritage
historic
house
innovation
landmark
landscape
library
medieval
monastery
old
quadcopter
religion
saint
sankt
site
swiss
switzerland
top
tourism
tower
town
travel
unesco
view
world