The following questions are answered by designers and engineers from the City Rail Link project:

1. Who approves the project designs?

2. Where did you get the machines and materials to build the tunnels?

3. How are the workers recruited? For example, engineers with specific skills/qualifications.

4. How can we follow the same/similar pathway as the field trip experts? How are the workers recruited?

5. What is the most challenging part of the tunnel to build?

6. How can you ensure safety on the train?

More at https://www.learnz.org.nz/futurejourneys212/connect-with-experts