Answer:
I have rivers without water. Forests without trees. Mountains without rocks. Towns without houses.
My first keeps time, my second spends time, my whole tells time.
Ten men's strength, ten men's length. Ten men can't break it, yet a young boy walks off with it.
What can answer in any language? What can speak without a mouth? What can sing without an ear?
You use it between your head and your toes, the more it works the thinner it grows.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.