Answer:
I fly, yet I have no wings. I cry, yet I have no eyes. Darkness follows me. Lower light I never see.
What kind of room has no windows or doors?
What kind of running means walking?
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face.
Sometimes black, sometimes white, I have veins but no blood
It's what light turns into in the night
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?