Guns, tigers or fraud: Mariana van Zeller’s trip around the world into the underground economy National Geographic

First he tells how he survived an ambush by “about ten armed thieves” in which three young people between the ages of 20 and 19 died. Then he said he was 15 years old when he made his first backpacking trip from the region he lives in, Vraem, the Peruvian valley where three rivers converge and from which “one fifth of the cocaine consumed in the world” flows away. Occupation: Backpacker who walks for about three days in a row and carries about 10 kg of stones made from coca leaves, which are made in powder form later on the trip.