>>/33325/
What's the fourth?

 >>/33326/
So much expressions, so much body language.
That filter applied make it look like a photograph from the 70s or so.

 >>/33327/
That's clearly a yakuza/triad movie.

 >>/33329/
It's the geometry.
If we chopped of a slice from the tight side, we could divide the image into two half along the red wave.