Answer:
Mountains will crumble and temples will fall, and no man can survive its endless call. What is it?
What has keys but no locks, Space but no room, You can enter but you can’t exit.
In birth I spring forth, in life I unfold. In death I wilt and die, but rebirth restores all.
Tear one off and scratch my head, what once was red is black instead!
What’s full of holes but still holds water?
What flies without wings?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?