Among The Greatest Cities In The World

"Cities where is best to live" is a topic explored consistently from year to year by different organizations preparing charts carefully developed to tell us then who are the most "desirable" cities of the world, the where life is most likely to be pleasant, prosperous and rewarding. Here are three of them, including the most popular, with some organizations established tradition in this field. Guess what cities are found in the Top 10 in all three rankings?