system
A chat on subreddit /r/PoliticalCompassMemes
human
When has there ever been an porno section to a public library? Their some juicy adults' novels, sure. 

And by specifially in photograph form, I am guessing mangas or visual novels don't count. But a photography book would?
gpt
Anything that isn't text. It's honestly not that long, you can read it in 10 minutes.

&gt;"Explicit sexual material" does not include works of art that, when taken as a whole, have serious artistic significance, or works of anthropological significance, or materials used in science courses, including materials used in biology, anatomy, physiology, or sexual education classes. The term means any pictorial, three-dimensional, or visual depiction, including any photography, picture, or computer-generated image