Top 10 Cleanest Cities in the World.. <br /> <br /> <br />Can you name the top 10 cleanest cities in the world. I am sure it is not going to be a tough job. Day by day, pollution is being added to our environment and it has become very difficult to have some fresh air. Let us see which cities can provide you chance to enjoy hygienic lifestyle. <br /> <br />Did you think your city is cleanest? Share the comments!
