Men use shovels and pick axes to dig trenches.

The video discusses the preparations in London during wartime, including digging trenches in parks and piling sandbags against windows to protect against anticipated enemy air raids.

What precautionary measure was taken in the parks of London?

• Trees were planted

• Trenches were dug

• Fences were erected

• Lakes were drained

What was used to protect ground floor windows in London?

• Plastic sheets

• Sandbags

• Metal bars

• Wooden boards

What was the purpose of piling sandbags against windows?

• To prepare for air raids

• To reduce noise

• To block sunlight

• To prevent theft

What event was anticipated to occur in London?

• Tornadoes

• Earthquakes

• Air raids

• Floods

What does the final section emphasize about air raids?

• They are unlikely to happen

• They are inevitable

• They are preventable

• They are a myth