Answer:
What is born on the ground but floats to the sky, to be returned back again from the clouds up high?
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
I'm the source of all emotion, but I'm caged in a white prison.
What is it that after you take away the whole, some still remains?
Nothing specific, but more than a few. This many clustered, together will do.
Cycle Cycle Cycle.