The Great Claw

The Great Claw wobbles over our ravaged city.
Every now and then, it descends and grabs at a car or a building and yanks it up into the sky.
Invading the world wasn’t enough for the aliens, so they put it up there to torment us.
“The rest of the world is dead,” said the message. “But you’ll keep us amused while we extract the necessary isotopes for our next journey.”
Scientists at the university tried to come up with defenses, but The Great Claw ended those plans.
It rained bricks as the research center was hauled up… and up…