III. After you listen

Work in groups. Tell your partners why the Great Wall is considered one of the greatest wonders in the world and how it was built. (Làm việc theo nhóm. Nói cho bạn học của bạn lí do tại sao Vạn Lý Trường Thành được xem là một trong những kì quan vĩ đại nhất trên thế giới và nó được xây dựng như thế nào?)

Answer

A: Why is the Great Wall considered one of the greatest wonders in the world?

B: Because it takes very, very long time to complete, about 200 year.

C: And it is said to be visible from the moon and down across deserts, grasslands and mountains of 5 provinces. It stretches for about 6,000km from east to west.

A: How was it built?

D: It was made of stone, brick, tamped earth, wood, and other materials.