https://transpressnz.blogspot.com/2014/02/early-steam-train-on-petrufiguen-rail.html
transpress nz: early steam train on Petrufiguen rail bridge, Chile
On what looks a newly built bridge is a 4-4-0 with perhaps a caboose, a woman in a long dress is at the open side door.
early steamtranspressnztrainrail