英文關鍵字
above
aboveground
aerial
air
airraid
aircraft
anti
antiaircraft
attack
auberg
austria
blockhouse
building
bunker
concrete
defense
dolly
drone
fascist
flak
flakturm
flakturme
fly
gtower
gun
helicopter
history
hitler
horizon
ii
large
luftwaffe
massive
military
park
shelter
shot
structure
tower
tree
vienna
war
weapon
wieden
wien
world
ww2