abstract
authority
background
bar
bars
building
cage
cell
convict
correctional
correctional facility
corridor
crime
criminal
dangerous
dark
detention
empty
escape
freedom
grunge
hope
imprison
imprisonment
incarceration
inmates
inside
interior
iron
jail
jailhouse
judgment
justice
law
legal
light
lock
lockup
metal
old
penitentiary
prison
prisoner
protection
punishment
room
rust
security
sentence
steel