The world's human population currently stands at 7.2 billion. That's a humungous amount of people. You would think that if you put all 7.2 billion people into the Grand Canyon, they will fill it up. Apparently, this is so far-fetched. In fact, we will only make a small pile. According to Michael of the well-known YouTube channel
Vsauce, this is what the pile of 7.2 billion people would look like.
Watch Michael talk about it below: