Những thành phố lớn nhất trên thế giới:
1. Tokyo, Japan
2. Mexico City, Mexico
3. Seoul, South Korea
4. New York, United States
5. Sao Paulo, Brazil
6. Mumbai, India
7. Dehli, India
8. Los Angeles, United States
9. Shanghai, China
10. Jakarta, Indonesia
11. Osaka, Japan
12. Kolkata, India
13. Cairo, Egypt
14. Manila, Philippines
15. Karachi, Pakistan
16. Moscow, Russia
17. Buenos Aires, Argentina
18. Dhaka, Bangladesh
19. Rio de Janeiro, Brazil
20. Beijing, China
20. London, United Kingdom
22. Tehran, Iran
23. Istanbul, Turkey
24. Lagos, Nigeria
25. Shenzhen, China
26. Paris, France
27. Chicago, United States
28. Guangzhou, China (Canton)
29. Chongqing, China (Chungking)
30. Wuhan, China
31. Lima, Peru
32. Bogota, Colombia
33. Washington-Baltimore, United States
34. Nagoya, Japan
Nguồn video: Youtube