This event involves the screening of a 15-minute documentary, followed by a conversation between Alejandro Millán, producer of the documentary and BBC Mundo journalist, and Matías Zibell. The Tsimane are one of the 36 indigenous nations officially recognised by the plurinational state of Bolivia. Its 16,000 semi-nomadic members live in the Misión Fátima region, a remote corner of the Bolivian Amazon. Experts believe that it is their very isolation that contributes to the unique way in which this ethnicity ages, something that scientists have been studying for decades.