1. Which mega project is the longest wall ever built?

2. Which dam is the largest hydroelectric power station in the world?

3. What is the tallest building in the world?

4. Which canal connects the Atlantic and Pacific Oceans?

5. Which is the longest railway tunnel?

6. Which country built the Burj Khalifa?

7. Palm Jumeirah is what type of project?

8. Which is one of the longest suspension bridges?

9. Which dam is on the Nile River?

10. Which is a man-made archipelago in Dubai?

11. Which tunnel connects UK and France?

12. Which skyscraper was tallest before Burj Khalifa?

13. Which dam is on the Colorado River?

14. Which canal is in Egypt?

15. Which is Japan’s high-speed rail system?

16. Which bridge connects San Francisco and Marin?

17. Which Dubai building is sail-shaped?

18. Which dam is shared by Brazil and Paraguay?

19. Which project is a futuristic Saudi city?

20. Which is the longest road tunnel?