[Kids observing a downed German Heinkel plane on Passeig de Gracia, Barcelona]

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

[Republican troop train departing for the Aragon front, Barcelona, Spain]

[Republican soldiers carry casket through the street, Barcelona, Spain]

[Republican militiaman firing over a barricade, near Barcelona, Spain]

[Spanish refugees at a transit center, Barcelona]

[Spanish refugees at a transit center, Barcelona]

Child victims: Bodies gathered after the raids on Barcelona