Egyptian pyramids

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Across
  1. 2. they are one of the blank structures ever created
  2. 6. Xavier Landraus theory
  3. 9. the pyramids are this color
  4. 10. the pyramids house the tombs of these
  5. 12. Megan Whalen theory
Down
  1. 1. located in
  2. 3. the top blank wonders of the world
  3. 4. this pyramid is 220 feet tall
  4. 5. this decreased the height of the pyramids
  5. 7. house the blank of pharaohs
  6. 8. crane Angela Villabas theory
  7. 11. these were not invented until Roman times