Answer:
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
As round as an apple. As deep as a cup. All the king's horses can't pull it up.
What wears a coat in the winter and pants in the summer?
When I'm born I fly. When I'm alive I lay. When I'm dead I run.
Twigs and spheres and poles and plates. Join and bind to reason make.
I have two eyes in the front and a lot of eyes on my tail