The Kingdom of the Nabateans, from Hegra to Medain Saleh (2004)

The gigantic geoglyphics engraved in the soil of Pampa never cease to intrigue explorers and archeologists. In the autumn of '98, two passionate archeologists, Giuseppe Orefici and Egla Barone, decided to undertake an impressive excavation campaign on the huge site of Cacuachi in an attempt to solve the mysteries of this little-known civilization.