The Empire State Building Opens

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Across
  1. 2. - Significant achievement
  2. 7. - Primary building material
  3. 9. - Building process
  4. 10. - Lifts people to the top
  5. 13. - At the top for broadcasting signals
  6. 14. - Record-setting height
  7. 15. - City where it's located
Down
  1. 1. - Illuminate the top at night
  2. 3. - Viewing platform
  3. 4. - Opening ceremony
  4. 5. - Iconic skyscraper
  5. 6. - Tall building type
  6. 8. - People who come to see it
  7. 11. - Borough where it stands
  8. 12. - The building's exterior feature
  9. 13. - Architectural style