Whirlpools, Black Holes, Event Horizon and Not At All The Same?

[Mads Barnkob]

Imagine yourself at a point opposite of the light source, and it would look like the "shadow" of a black hole.

I filmed a water whirlpool in my garden fire pit. The sun was almost right above me, making the whirlpool cast a shadow. Despite similarities between whirlpools and black holes are generally disproven, and that they are very distinctive phenomena, this video kept bugging me for 3 years and now I'm releasing it for all you, to give your thoughts