I think that's a natural mountain that was craved in the shape of a pyramid. There's energies associated with geometric shapes. Pyramid building seems to be a universal phenomenon. They pump and purify water and the interior can be used as an artificial pineal gland. According to David Wilcock's research pyramids send out a free-good field that can extend up to fifty miles. The Luxor in Las Vegas could have been constructed for this reason and have the same logic as pumping oxygen into casinos to get people to bet more.