abstract

architecture

bar

barred

building

cage

castle

cells

closed

convict

crime

door

dungeon

empty

fence

frame

freedom

gate

grates

guard

guilt

illegal

imprisonment

inside

interior

jail

light

lock

medieval

metal

old

people

political

prison

prisoner

protection

punishment

robbery

rods

room

safety

secure

security

sky

steel

sun

thief

trial

wall

window