Dr. Ana Isabel Ortega Martínez has given this conference has served as a vehicle to bring to the large audience that filled the auditorium of the Casa del Cordón, the secrets of the cave that houses the Sierra de Atapuerca.

Very knowledgeable in this area, Dr. Ortega has been explained as the caves of these mountains are an important karst Burgos oversized and hung over the river Arlanzón, "indicating their age," making a comprehensive tour of its history since the Pleistocene when its inputs were used by hominids in the area, until today, when the object of protection and study.

In his lecture, has made clear the importance of these underground spaces has not declined over history, whether for reasons of survival, ritual and sacred character, or the curious who have awakened the "secrets" natural