Listen to a guide talking to a tour group. Choose the correct answer.

1. What does the speaker think will impress the group most about the cave? ...
2. What does the speaker say about the ice sculptures? ...
3. What warning does the speaker give to the group? ...
4. What is the purpose of the talk? ...
5. What does the speaker mean when he says: "Nothing can compare to a walk in this glittering ice empire"? ...