Answer:
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
Everyone has it and no one can lose it, what is it?
The more of them you take, the more you leave behind. What are they?
You can always see it, but it's too far away to touch. Mountains rest on it, and at sea it surrounds you. What is it?
People take me on walks and I run and have fun. What am I?