International volunteers who fought for the Republic of Spain against General Franco

[German soldiers with guns and a flag, Spain]

[Boy and a tank, Port Said, Egypt]

[Young boy sitting on a fallen tree, around mountains and hills]

[Woman walking and carrying a large bundle on her head, her shadow seems a tree, Calabria, Italy]

[Children waiting for the bus, in the remains of the bombed Warsaw Ghetto, Poland]

[André Malraux, Paris]

[Popular Front demonstration, Paris]