# data[].attributes.body
1. What is floodwall?

2. What is levee?

3. How does floodwall protect people?

4. How does levee protect people?

# data[].attributes.headline
Group 2: Building structures
(Earthquake-safe)

# data[].attributes.subject
Group 2: Building structures
(Earthquake-safe)

# data[].attributes.body
1. What is earthquake-safe buildings?

2. How do they protect people?

# data[].attributes.body
1. What is lightning rods?

2. How does it protect people?

# data[].attributes.body
1. What is the same between floodwalls and levees?

2. What is different?