Tanis map

This image is showing the ruins of the ancient city of Tanis (an archeological site in Egypt, well-known from the Indiana Jones' movie). The image has been obtained from the original image from Google Maps, with a certain image processing. The following is the original image from Google. 

You can use GIMP and IRIS program to enhance the details, and obtain the following image. 

Or you can use AstroFracTool and Gimp

For more details see

http://arxiv.org/abs/1009.1590