CONTEMPORARY WORLD WONDERS

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Across
  1. 3. The tallest twin skyscrapers ever built.
  2. 4. It is Australia's most famous modern performing arts center.
  3. 6. Paris's wrought-iron icon
  4. 7. The largest mountain sculptural monument in the United States.
  5. 8. The tallest vehicular bridge in the world.
  6. 9. The longest undersea tunnel in the world. It links England and France.
  7. 10. The tallest structure and highest occupied floor ever created by humankind.
Down
  1. 1. The finest and tallest brick-and-steel Art Deco skyscraper ever built in New York City.
  2. 2. The tallest observation wheel in the world.
  3. 5. Japan's tallest building with the fastest passenger elevators in the world