英文關鍵字
barb
barbed
bomb
bombs
building
buildings
chemical
city
conflict
dangerous
daytime
dolly
east
explosion
facility
fire
fires
gas
home
house
lots
middle
moving
outdoors
outside
prison
protection
razor
rolls
rushes
rushing
scary
secure
security
sharp
smoke
smoking
smoky
thick
town
tracking
urban
walking
wall
walls
war
warfare
weapons
wire
zone