This is a thumbnail of a zoomable Gigapan that can be seen at : http://gigapan.org/gigapans/73645/
the image is composed of ninety or so frames shot with a 200 mm lens. coverage end to end is more than 200 ° The gigapan machine moves the camera in a precise pattern and triggers the shutter at the right times. Specialized stitching software put it all together and Photoshop CS5 added some necessary clarity. check it out there's lots to explore.