This seems suitable:
DOWNFALL
When I saw the ruined city
And the walls that would not stand,
Broken buildings, rough graffiti,
Parodies of what was planned,
Scattered books and ruined theaters
Schools and churches holed and shattered,
Inheritors as useless eaters
Abandonment of all that matters
Then I knew how thin and fragile
Every cultivated art,
How defeat can swing a cudgel
Break the breastbone and the heart,
Teach the one who wanders through
Downfall, downfall ever new,
Give the lesson of despair:
Cities fall and rise elsewhere
Pavel Chichikov
January 5, 2011