Answer:
What moves without seeing and cries without eyes?
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
The more of them you take, the more you leave behind. What are they?
What has six faces and twenty-one eyes?
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
What language does a billboard speak?