New dress controversy. Is the water blue or gold?
Not photoshop. Not AI.
https://mymodernmet.com/kenichi-ohno-bird-photo-illusion/
"So what is happening behind the egret that is causing the illusion? In the upper right-hand corner, there is a cream-colored wall. What we see below the wall is its reflection in the water and the position of the photographer has allowed for a perfectly straight “cut” in the composition, so one side is all water and the other side is the wall and its reflection."
Photo by Kenichi Ohno