The Rise of the Supertalls

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Across
  1. 5. a place
  2. 7. air moving in a circular motion
  3. 8. quickly replace
Down
  1. 1. not questioned
  2. 2. problem
  3. 3. having a composed and self-assured manner
  4. 4. far-reaching
  5. 5. variety
  6. 6. mixtures