air
amnesty
arab spring
bird
break
break chains
cage
cell
chain
concept
courage
deliver
deliverance
dictatorship
door
dove
enchain
escape
flight
fly
free
freedom
freedom of expression
happiness
hope
imprison
jail
justice
liberty
lock up
open
overcome
peace
pigeon
prisoner
release
released
revolution
sun
sunset
symbol
victory
wings
winner