1. Stare at the red dot on the girl’s nose for 30 seconds.
2. Turn your eyes towards a plain flat surface.
3. Blink your eyes quickly.
 
What do you see?
 
		
							
						
					2. Turn your eyes towards a plain flat surface.
3. Blink your eyes quickly.
What do you see?
		
							
						

							
						
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