Formation of the Chilean railway company FCAB, coming from the seaport of Mejillones, and a large crossing, heading towards Ollagüe, a town located on the border with Bolivia to almost 4000 meters. This train has been shipping containers minerals: silver, lead and zinc from the "San Cristobal" mining company of Bolivia. In Ollagüe comes loaded train Bolivian minerals, and they exchange cars, so that the load is going to seaport and be exported. In the picture, the FCAB train near the highest point of the voyage, the "Ascotan Pass", a wonderful environment surrounded by salars, volcanoes, and where the clouds hug you.