La piedra con código: el OVNI de Jaén y la prueba imposible

In 1996, Jaén was the scene of what many consider the last major UFO case of the 20th century in Spain. Dionisio Ávila, a retiree, not only witnessed an unusual object but also experienced a perplexing energy interaction and a face-to-face encounter with beings. But the most shocking thing was the "code stone" he received, an object with symbols that experts cannot attribute to human hands. Discover the full story of this enigmatic event, the involvement of his son Gregorio, and the physical evidence that defies all explanation.