Whenever there's a rainbow, there are multiples of rainbows, but they're verily personal based on where you're standing and observing said rainbows.
Rainbows are just optical physics.. Whether or not you can optically see them based on the relative intensity and a bunch of other factors. But in fact, rainbows come in orders, generally around 5; they're just too dim to see. They even discuss the phenomenon in that video. "That's how you behave if you don't know physics."
