Potrerillos - Montandon Ravine: In Potrerillos (Diego de Almagro), the sun has been hidden between the hills of the Andes mountain, the night will begin soon and trains of FERRONOR railway continue working, out of the tunnel No.7 and downward from Potrerillos foundry by the hard and dangerous line to Montandon, and then continue to Barquito harbour in ChaƱaral. [80mm, 1/125, f/8.0, ISO 3200, 0EV]