2.5 Gigapixel Image

This is quite mad. http://www.tpd.tno.nl/smartsite600.html describes a crazy project to create an über large photo. Below is the viewer plug-in, the detail is so crazy you can zoom into any window in the picture.

Why someone would want to do this? I've no idea. See below:

(Please don't be confused. The picture above is not part of Marshmellow World. It is merely a framed link to the original site and an effect of your browser. This image is not a reproduction and remains copyright of the original author)
Click here for a direct photo link.