REVEALED: The world's best cities for quality of life

Knight Frank and Citi Private Bank countdown the world's top cities for quality of life
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20. Rome, Italy (Getty Images)
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19. Dallas, US
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18. Toronto, Canada
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17. Houston, US
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16. Monte Carlo, Monaco (AFP/Getty Images)
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15. Vienna, Austria
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14. Melbourne, Australia
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13. Zurich, Switzerland
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12. Madrid, Spain
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11. Baracelona, Spain
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10. Dubai, UAE
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9. Miami, US
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8. Vancouver, Canada
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7. Paris, France
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6. Hong Kong, PR China
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5. Sydney, Australia
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4. Geneva, Switzerland
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3. New York City, US (Getty Images)
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2. Singapore
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1. London, UK