Discover how to survive being lost in the extreme isolation of the Andes Mountains.

The Andes mountain range, located in South America ... Over the centuries, numerous civilisations have thrived in these rugged peaks, including the Atacama, Uru, Digauita, and Quechua peoples.

As Peruvian biologist Constantino Aucca Chutas sat chewing coca leaves with a local elder high in the Andes, his companion ...