Ancient China

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Across
  1. 2. Desert in N. China and Mongolia
  2. 6. Mt. range in southern China
  3. 8. Earthquake detector
  4. 10. Plant that inspired bulk heads
  5. 14. Plow, Led to agricultural rev.1
  6. 15. Yellow brown soil
  7. 18. Warriors made from clay
  8. 19. Longest River in China
  9. 21. Used to steer ships
  10. 22. Sport originating in China
Down
  1. 1. Flown over enemy walls
  2. 3. Sea, Gobi sand gives it color
  3. 4. Protective wall against water
  4. 5. Led to agricultural rev.2
  5. 7. Sacred mythical creature
  6. 9. He, China's Sorrow
  7. 11. Measures distance traveled
  8. 12. Desert in NE China
  9. 13. Invention that points north
  10. 16. Made China's army dominant
  11. 17. A man made waterway
  12. 20. Developed from divination