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  1. After the applet loads you should see three "Click to start" messages above. They may take a minute or more to appear if you have a slower net connection. If you see "Java not available" instead, then most likely Java has been disabled on your browser; try checking browser preferences.
  2. When each message is clicked, an animation should start.
  3. Pause/unpause by clicking on the animation again.
  4. Move the camera by dragging with the mouse button held down.