Kal-e Jeni Canyon, a Natural Attraction in homeland

Another reason is that if on a windy day you stand in the valley, the jinn will throw pebbles at you! The real reason for the pebbles hitting you is when the wind blows, it can easily remove the soft conglomerate of the canyon so the sand and pebbles from the walls will hit your body, but the locals think the Jinn are doing it.