abstract
background
barbed
barrier
black
border
boundary
broken
cage
construction
crack
damage
defloration
destroy
disrupt
disrupted
enclose
erode
fence
freedom
grid
hole
in rags
industry
iron
isolated
jail
lacerated
link
mesh
metal
metallic
net
netting
old
pattern
prison
protection
safety
security
silhouette
steel
structure
texture
theft
torn
virgin
wall
white
wire