@orion_prime that looks correct. A glass ball make the world look upside down. See some images on Google:
https://www.google.com/search?q=refracting+glass+ball&tbm=isch
And this thread:
@orion_prime that looks correct. A glass ball make the world look upside down. See some images on Google:
https://www.google.com/search?q=refracting+glass+ball&tbm=isch
And this thread: