Answer:
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
No matter how hard you hit me, no matter how much I hurt, I'll always go for a laugh. What am I?
I am flora not fauna. I am foliage not trees. I am shrubbery not grass.
I begin with the letter āiā, if you add āaā in front of me, I become a new word with a different meaning, but still sounds exactly the same. What word am I?
What has a face and two hands but no arms or legs?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?