Answer:
When the son of the water returns to the parent, it dies. What is it?
Come up and let us go. Go down and here we stay
It's like food but water kills it. What is it?
What is the freedom of birds and the pen of old men?
What can you fold but not crease?
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.