Negara-Negara Yang Terbersih Di Dunia

1. Switzerland

2. Sweden

3. Norway

4. Finland

5. Costa Rica

6. Austria

7. New Zeland

8. Latvia

9. Colombia

10. France

11. Island

12. Canada

13. Germany

14. UK

15. Slovenia

16. Lithuania

17. Slovakia

18. Portugal

19. Estonia

20. Croatia