[Men in ditch with pickaxes, Mount Sollube, Spain]

[Republican soldiers stand next to tank, Mount Sollube, Spain]

[View from a damaged window at Hotel Florida, Madrid]

[Hotel Florida employees examining a bomb that did not explode, Madrid]

[Hotel Florida damaged by gunfire, Madrid]

[People evacuating on ship, Bilbao, Spain]

[Soldiers writing at desks, China]

[Dead bodies, Battle of Teruel, Spain]