[Canons in courtyard]

[Canon in alley]

[Soldiers, Carabanchel, Madrid Front]

[Boy sitting on girl lying in makeshift bed in the subway, Madrid]

[Women giving soldiers flowers at farewell parade for the International Brigades, Barcelona]

[Cheering spectators at the farewell ceremony for the International Brigades, Barcelona]

[Girl handing bouquet to volunteer during the farewell ceremony for the International Brigades, Barcelona]

[Downed German plane on display in Paseo de Gracia, Barcelona]