Answer:
You can see nothing else, When you look in my face, I will look you in the eye, And I will never lie.
What doesn't get any wetter, no matter how much rain falls on it?
What is weightless but it needs two person to hold it?
The higher I climb, the hotter I engage. I cannot escape from my crystal cage.
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
It's what light turns into in the night