Difficult

They're up near the sky, on something very tall. Sometimes they die, only then do they fall.

I fly through the air on small feathered wings, seeking out life and destroying all things.

I grow where no flower grows, where no light touches the walls, up or down, that I don't care, was here before people were.

You can hold it without using your hands or arms. What is it?

Riddles and Answers