1. Which city is officially considered the coldest national capital in the world by average annual temperature?

2. What is the name of the buffer zone that divides the city of Nicosia?

3. Which city served as the capital of Pakistan before Islamabad was built?

4. What unique feature distinguishes Thimphu from every other national capital in the world?

5. What is the name of the historic district in Hanoi known for its 36 streets named after specific trades?

6. The urban plan of Brasília is famously shaped like which of the following when viewed from above?

7. Why is Warsaw often referred to as the 'Phoenix City'?

8. Which famous scientist developed the Theory of Relativity while living and working in Bern?

9. What does the name of the capital city 'Antananarivo' mean?

10. Comoros is the world's largest producer of which perfume ingredient?

11. Which of South Africa's three capitals serves as the seat of the national Parliament?

12. On which island is the capital city of Cape Verde, Praia, located?

13. In which country did the 'Panama Hat' actually originate?

14. Kingston was founded as a refuge for survivors after an earthquake destroyed which 'wicked' pirate city?

15. What does the name 'Reykjavík' mean in Icelandic?

16. Pyongyang is home to the Rungrado 1st of May Stadium, which holds what world record?

17. Which river flows through the center of Seoul and was the namesake of South Korea's rapid economic rise?

18. Ashgabat holds a world record for the highest density of buildings made from which material?

19. Uzbekistan is 'doubly landlocked,' meaning it is surrounded only by countries that are also landlocked. Which other country shares this status?

20. Afghanistan is the world's primary source for which deep-blue semi-precious stone?