Nothing will focus someone's mind like looking at the world from the inside of a prison cell.
The inside of a prison cell is a place where people are left to think about things.
There's no time to look at the world when you're in a prison cell.
The people are outdoors.
A child enjoying recreation.
A toddler is looking at his toys.
small group waits for subway
a dog walks by a building
Mr. Brown did not take his place.