Answer:
A building where people and stories are on stage
I am the hole in the night, the ever watchful eye. I return in a cycle, to enlighten the sky.
My tongue hangs out as I run over fields and streets all day. I get tied up every morning and untied at night.
What is as big as you are and yet does not weight anything?
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
What never gets any wetter no matter how hard it rains?