Desc: 30 años de silencio: Directed by Diego Arandojo. With Sergio Menossi, Nicolás Terrera, Victoria Terrera, Fabio Zerpa. For 30 years, Argentine Professor Guillermo Alfredo Terrera protected the "Batton of command", an object related to supernatural powers. This documentary explores the work and life of this man who created a spiritual movement that transcended the barriers of Argentina.