Impossible Pic!?

http://www.stuffed.co.nz/index.php?option=com_content&task=view&id=273&Itemid=31

Panorama, just not horizontal

smiled.

Two pictures joined together?

More than two. There are settings on most camera’s to take pictures side by side (but overlapping slightly) and software will then patch them together. As Jay says, thats all this is, but done in portrait instead of the usual landscape.