Sand Dams Worldwide crossword

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Across
  1. 2. Prolonged dry spell
  2. 4. Flowing stream
  3. 5. Return land to its former health
  4. 7. Landlocked African nation
  5. 9. H2O
  6. 11. Habitat
  7. 12. Hourglass filler
  8. 14. Metical is this country's local currency
  9. 15. Lilongwe is its capital
  10. 18. Captures water on a river
  11. 19. Farming
  12. 21. Undomesticated nature
Down
  1. 1. The "lungs" of the earth
  2. 3. Home of Mount Kilimanjaro
  3. 4. Restore landscape with vegetation
  4. 6. National park of Kenya
  5. 8. Biggest land mammal
  6. 10. Group of people living together
  7. 13. Bone-dry
  8. 16. Amharic-speaking nation
  9. 17. Parched, dry regions where water is scarce
  10. 20. Home country of the Maasai Mara