The Spanish civil war was the first conflict where urban civilian populations were targeted from the air, creating the need for air raid shelters. Island of Minorca

The Spanish civil war was the first conflict where urban civilian populations were targeted from the air, creating the need for air raid shelters. Island of Minorca

[Children and adults in an air raid shelter, Minorca, Spain]

[Interior view of a crowded and ornate theater, Minorca, Spain]