Chinese Version of The Aristocrats?

I fully admit my mind is usually in the gutter, but I can’t even think of a non-gutter explanation for this one…The only thing I can come up with is that it’s a Chinese diorama depicting the Aristocrats joke: the filthy joke that comedians would tell to each other, with their own improvisations, that was chronicled in the documentary The Aristocrats. If you’re unfamiliar with the joke, here’s Bob Sagat’s rendition from the movie.

Given the joke, I can only assume that’s what’s going on in this photo. Only question is where the rooster came from…