I met a person once in de raid shelter and he didn't know what I was talking about.

To keep the document strictly secret, in 1935 Hitler ordered that it be placed in a safe in an air raid shelter.

In the Second World War air raid shelters were dug into the grass of the Quad.

The air raid shelter.

Pallasstraße hochbunker (air raid shelter), built in 1943 by forced laborers.

They should not be confused with air raid shelters or fallout shelters.

The area was a risk from bombing during the Second World War, and as such several air raid shelters have been unearthed in locals' gardens.

However, in this area were six large bunkers and two air raid shelters, all quite overfull, in which 23,000 people had sought refuge from the attack.

St James air raid shelter - Photo of one of the five remaining bomb shelters.

Although the city has since recovered from the bombings, undetonated bombs and shells and raid shelters are still being uncovered during construction works.