Walking under water. Wait to see the end.

The film was reframed upside down, a man walks upside down, the ending explains everything.

He’s walking upside down underwater. The “floor” he’s walking on is actually the cave ceiling and he’s diving up to the surface. Just turn your phone upside down. 😂

Just hold your phone upside down and it makes more sense. He’s upside and goes to the surface when he “dives”

I held my breath to see if I would make it as long as he did. Bad news. I died.

Trippy lol until you realize he's walking on the roof of a cave system

He’s upside down for anyone who’s confused

turns out that was a solid lake of mercury that he dove into

That looks like how I feel when I try to run in my sleep