21.   All the ground floor windows were fitted with iron bars, a sufficient deterrent for the average break-and-enter boys.

22.   The windows are guarded with iron bars, those on the lower floors viciously spiked to keep out thieves.

23.   Although the iron bars are rusty and the cells are infested with vines and moss, they remain a chilling sight.

24.   An ordinary magnet, whether it is a simple iron bar or the entire earth, always has both a north and south pole.

25.   And the iron bars that were supposed to keep the curious out had been pried apart so people could slip through.

26.   Arms protrude from behind iron bars, stretching toward the teens who shy away.

27.   Ask a neighbor with decorative iron bars on their windows or a shift worker trying to stay awake on his second or third job.

28.   ------ The clear plastic bottle kicked and tripped and cried across the iron bars.

29.   After chatting for a bit, they are suddenly trapped behind iron bars and together must pull a lot of levers to open a series of gates.

30.   After many years of harsh conditions inside terrorist prisons, many inmates try to commit suicide by repeatedly throwing themselves against iron bars and concrete floors.