Answer:
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. What am I?
I give people a huge fright but at the end I'm sweet. I normally celebrate at night when there's less heat.
I'm the source of all emotion but I'm caged in a white prison.
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
I am black within and red without; with four corners round about. What am I?
Brings the sky a lot closer.