Ancient Civilizations

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Across
  1. 3. - Alphabet's purple-dye sailors
  2. 6. - Nile's pyramid pharaohs
  3. 8. - Calendar codex keepers of Yucatán
  4. 10. - Knossos's bull-leaping frescoes
  5. 11. - Parthenon's olive-crowned democrats
  6. 13. - Cyrus's immortal empire builders
  7. 15. - Machu Picchu's Andean road masters
  8. 17. - Druid's torc-wearing iron agers
  9. 18. - Cradle's ziggurat scribes
  10. 19. - Hannibal's elephant-crossing rivals
Down
  1. 1. - Hanging gardens' Ishtar gate
  2. 2. - Colossal head jade carvers
  3. 4. - Indus valley's planned brick cities
  4. 5. - Longship's rune-carved raiders
  5. 7. - Forum's aqueduct legionaries
  6. 9. - Lion hunt bas-relief warriors
  7. 12. - Tomb's frescoed precursor Italians
  8. 14. - Iron chariot's Anatolian forgers
  9. 16. - Cuneiform's wheel inventors
  10. 20. - Tenochtitlán's eagle-cactus founders