Through shell-holes,
puddles of mud,
they trudge.
Over frozen
men in foxholes
they stumble.
Rats dart whistling across the distances.
Dead fingers rain down
& tap on rotting doors.
Signal-rockets,
corpse-lanterns…
To the ditch, to the ditch.
Ernst Toller
http://www.poemhunter.com/poem/to-the-trench/