[Miners descending into the pit, Almaden, Spain]

[Miner on a heap of cinnabar, Almaden, Spain]

[Entrance to the mercury mine, Almaden, Spain]

[Entrance to the mercury mine, Almaden, Spain]

[Loyalist soldier holding a gun, Spain]

[Women waiting in line for milk, Spain]

[Loyalist soldiers working on a tank, Spain]

[Republican soldiers marching, Teruel, Spain]