The demoscene sometimes blows my mind
I would've never guessed this thing here isn't a photo.
This image was created by a .exe file that's only 4kb. Which is absurd. And there are many more images – not all realistic, but all very good nonetheless – in this link.
The "4K" there is a joke with the file size, not the actual resolution of the images. Genius move, if you ask me.