track maintenance work

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

men metric gauge narrow gauge noroeste argentino railroad construction railroad tracks rails railway tracks single track track maintenance tren a las nubes workers
Route 51, Bolivia

Photos of construction workers at work, with their heavy machinery and power tools.­

Road construction, infrastructure, building constructions etc.­

Photos taken in Argentina in Februaty and March 2010.­

Related series:

- Bolivia