argentina
men
metric gauge
narrow gauge
noroeste argentino
railroad construction
railroad ties
railroad tracks
rails
railway sleepers
single track
track maintenance
tren a las nubes
workers
Railroad workers replacing a wood tie
This train line between Salta and San Antonio de los Cobres (Argentina) is sometimes called "Tren a las nubes". For more information, read en.wikipedia.org/wiki/Tren_a_las_Nubes
Location: Route 51, Bolivia -