Pantanal

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Across
  1. 4. walls to contain water
  2. 5. valuable and deserves to be saved
  3. 7. splashes, falls
  4. 9. healthy and unspoiled
  5. 10. nutrient rich sediments
Down
  1. 1. change
  2. 2. plants
  3. 3. rain boots
  4. 6. modified satellite image
  5. 8. nature