Citys in the world

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Across
  1. 4. the hottest city in Colombia
  2. 6. the most innovative city in the world in 2013
  3. 8. the biggest city in the world
  4. 10. the cooldest city in the world
Down
  1. 1. the most polluted city in the world
  2. 2. the most dangerous city in medico
  3. 3. the smallest city in the world
  4. 5. the happiest city in the world
  5. 7. the biggest city in Colombia
  6. 9. the most extensive city in the world