After missing the international highway, the route of FCAB reappears in the distance in the field of Polapi, overcoming the unevenness of the ground thanks to the many curves of the section, making the sector more appealing to a picture, and good places to gain height. FCAB Antofagasta train at full power - faster, with silver pots San Cristobal Mine in Bolivia, toward the border town of Ollagüe.