area
background
backlight
barbed
black
clouds
desolate
escape
evasion
fence
first
flight
front
gloomy
gray
high
home
hope
imprisonment
militarized militarized
military
monitoring
obstacle
old
perimeter
prison
prison fence
profile
protection
sad
second
sheared
silhouette
sky
soldier
soldiers
surveillance
tension
tough
trench
trenches
vintage
wall
war
wire
without
world