A SIMPLE KEY FOR SOLVE THE RIDDLE UNVEILED

Riddle: you can find 10 people in an vacant, sq. area. All and sundry has total sight of the whole space and everybody in it without the need of turning his head or overall body or going in any way (aside from the eyes). in which is it possible to place an apple so that all but one human being can see it? respond to: Riddle: Two women were born to