Ambience:
Press l to toggle the left light (Red)
Press r to toggle the right light (Blue)
Press t to toggle the top moving point light (Green)
Press m to toggle the mouse spot light (white light)
Move mouse around to use the mouse spot light
Press h to toggle the head-lamp spot light (White light)
Use a and d to move the camera when head-lamp spotlight is on
Hint: Lower the ambience to about 9 to fully appreciate the individual light sources in the scene