Answer:
Runs smoother than any rhyme, loves to fall but cannot climb.
Ten men's strength, ten men's length. Ten men can't break it, yet a young boy walks off with it.
What runs around all day. Then lies under the bed. With its tongue hanging out?
In this place, people lie, people cry, and people ask why. In this place, people sleep, people weep, and people's solitude, they keep. What is it?
What comes once in a minute, twice in a moment, but never in a thousand years?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.