This is a QuickTime VRML format MOV file. If you don't have it already, you will need a plugin available from www.apple.com
VRML, or Virtual Reality Markup Language, is a technology that allows users to interact with a 360 degree panorama. I.E. By dragging the mouse over the image left, right, up and down you can move around the image. By pressing the Shift Key you can zoom in and by pressing the Ctrl key you can zoom out.