[Asturian miners making hand grenades with dynamite by wrapping them in newspaper and tin cans, Oviedo, Spain]

[Troops, lying on the ground, wearing gas masks, Barcelona, Spain]

[Pilot in gear posing with an airplane, with hand on propeller, Spain]

[People at outdoor cafes, and pedestrians walking on a main street, Barcelona, Spain]

[Man drinking from open fountain, with destroyed buildings around him, Barcelona, Spain]

[Women workers at a munitions factory, Barcelona, Spain]

[Men working on bomb casings in a munitions factory, Spain]

Georgia O'Keeffe with a stone