Swiss artist Felice Varini specializes in creating anamorphic illustrations. It’s a type of artwork that you need to look at from a certain point of view. Otherwise, it looks like lines that don’t make much sense.
After several similar projects, Varini painted over the walls of the fortress city of Carcassonne in France. In the video below, he’s talking about the project a bit more.
Scroll down to see his previous work.