Answer:
Iron on a mammal. Mammal on your feet.
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
I can move even when you are still. I can be one or many.
A harvest sown and reaped on the same day in an unplowed field. Which increases without growing, remains whole though it is eaten within and without. Is useless and yet the staple of nations.
A home of wood in a wooded place, but built not by hand. High above the earthen ground, it holds its pale blue gems. What is it?
What do angels sing in the shower?