[Miner at work, Almaden, Spain]

[Portrait of miner, Almaden, Spain]

[A miner shoves a wagon into the furnace, Almaden, Spain]

[Two miners operating the lift descending to the pit, Almaden, Spain]

[Miner at work wearing a fabric over his face, Almaden, Spain]

[Miners doing the Republican salute, Almaden, Spain]

[Entrance to the mercury mine, Almaden, Spain]

[Miners pushing a wagon of cinnabar, Almaden, Spain]