Answer:
A building where people and stories are on stage
Big as a biscuit, deep as a cup, but even a river canβt fill it up. What is it?
The moon is my father. The sea is my mother. I have a million brothers. I die when I reach land.
My life can be measured in hours. I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
It is weightless, you can see it. If you put it in a barrel it will make it lighter?
Iβm grown from darkness but shine with a pale light. Very round I am and always a lady's delight.