Instructions: Click on the applet first. Press <1> .. <4> to change point of view. Drag the mouse to rotate the camera. Press <y> to take off. <z> turn left, <x> turn right, <space bar> circle (when in a thermal/under a cloud). Race against the other gliders; the finish line is 100km away to the north. Also: <p> pause/resume, <a> normal/fast glide, <q> speedy simulation on/off.  More info...