Where is the cleanest place to live?

Here is a list of five of the world's cleanest cities:

  • #1: CALGARY. Calgary in Canada is the world's cleanest city, and with a population of more than a million, that's quite something. ...
  • #2: ZURICH. ...
  • #3: LUXEMBOURG. ...
  • #4: ADELAIDE. ...
  • #5: SINGAPORE.

Related Posts: