This weekend, the 4th National Encounter of Mules and Donkeys will take place in the Cordoba town of San Marcos Sierra. There will be everything (clinics with professionals, Indian skills and taming, horseback riding and endurance racing, sale of products related to mules and donkeys, and a large festival), but above all it will be the excuse to meet a very particular character of Argentine agriculture: Gustavo Cabrera is the organizer, from his love for mules and donkeys, of this event. -Why do you do this?- we ask him. -It is a passion, a hobby, like anyone has with anything else, a motorcycle, a bicycle, a horse. Well, I started traveling with mules since I was young and I realized that it is an incredible animal, that every day it teaches me new things. I have been riding mules for many years and every day I learn more about them. I have many nights sleeping with the mules on the side of the road, on the way, in the mountains. -And what value would you give to the mules? -I ...