Answer:
Half-way up the hill, I see you at last, lying beneath me with your sounds and sights. A city in the twilight, dim and vast, with smoking roofs, soft bells, and gleaming lights.
Sleeping during the day, I hide away. Watchful through the night, I open at dawn's light. But only for the briefest time, do I shine. And then I hide away. And sleep through the day.
I'm the source of all emotion, but I'm caged in a white prison.
When I'm born I fly. When I'm alive I lay. When I'm dead I run.
Goes over all the hills and hollows. Bites hard, but never swallows.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.