Skyscrapers

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Across
  1. 2. Location of tallest building in the United States
  2. 4. Tallest building in the world
  3. 5. Location of tallest building in the world
  4. 7. One of the hardest rock formations
  5. 8. World famous building climber
Down
  1. 1. Building over 12 stories tall
  2. 3. Tallest building in the United States
  3. 6. Poured as foundation for buildings