Illuminate the tomb - Lamp puzzle | Nancy Drew: Tomb of the Lost Queen

First check the water tank right of the tent.
Take a drink if you want. Pick up the lamp oil on the trailer's right edge.
In the Tomb click and see that it is a lamp. Use the lamp oil from the water tank and the lighter from Jon's footlocker with the lamp.
Click on lamp and see the lamp puzzle.

Arrange the mirrors so that they reflect the light to the white circle at right.
When you click-turn the mirrors it might show more mirrors spread out in the room.