Great design is functional, that is it meets a need. It solves a problem. Match the nine great designs with the descriptions.

Many countries now design and construct buildings that can resist earthquakes. Read the interesting article and complete the sentences.

Public–private partnerships have been implemented in many countries. Listen to the video and match the features with the numbers.

PASSIVE TENSES: Read about this utterly unique Vietnamese bridge and practice your knowledge and skill at using passive tenses.

The Qinghai-Tibet Railway, the highest in the world, opened in 2006. Watch and listen to the video and take notes to answer the questions.