Pink clouds drifting
On the darkening sky
Greening trees, flowers erupting
An explosion of color
Those behind the barbed wire
The dismal orange glow
Of sodium steam lamps
Turns their world
See also my former article Punishment.
There is a prison in Cologne-Ossendorf, not very far from where I live.
(The picture is from http://commons.wikimedia.org/wiki/File:NaHD.JPG)