The picture on top is an autosteregram I made twelve years ago and I recently used for the Project 300.
This 3D “magic eye” pic is the tomb of Cyrus the great (576 BC – December 530 BC), founder of Achaemenid empire in Persia, who is also known to have written the first deceleration of human rights 25 centuries ago.
Can you see the three dimensional tomb (called Pasargadae) hidden behind the cuneiform texture on the top picture? It is recommended to try the picture in higher resolution by clicking on the top pic. The black and white image at the bottom is the key.
In case you are not familiar with magic eye techniques (autostereograms), these are pictures that can give you a visual illusion of a 3D sculpture from a 2D pictures if you know how to look at them. You should try to change the angle by which your eyes focus on the image. Position your eyes as you are looking at an object behind the screen. Enjoy!
p.s. Here is the book I wrote back then in Persian, plus its software Jarf-Negar. It’s unfortunately under DOS as it was before the release of Windows 95. It was, as far as I remember, the best graphic DOS could ever afford: “Super” VGA, 1024X768 pixels with only 16 colors (selected palette)!