Answer:
When I'm born I fly. When I'm alive I lay. When I'm dead I run.
It floats over the land, It cuts the tallest mountain, Its voice is like a fountain, Its body like a snake, Will flow into a lake.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
I have one door and five rooms what am i
It holds most knowledge that has ever been said. But is not the brain, is not the head. To feathers and their masters, it's both bane and boonΒ One empty, and one full.
Iβm grown from darkness but shine with a pale light. Very round I am and always a lady's delight.