For some, the "Big Bang" was when the universe came into being... There was nothing before, and everything afterwards! But, what if this universe WASN'T the first of its kind?
In this video, Unveiled explores the radical theories claiming that our cosmos is actually just one in a long line of alternative realities... and that somewhere out there is an "anti-universe", the perfect opposite of our own. What do you think... Did another universe exist before ours?