14th one

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Across
  1. 6. - Cascading natural wonder
  2. 9. - Deep, rugged gorge
  3. 10. - Multicolored meteorological phenomenon
  4. 12. - Majestic natural elevation
  5. 13. - Untamed animal kingdom
  6. 15. - Delicate, winged insect
  7. 16. - Bright, sun-facing bloom
  8. 18. - Vast marine expanse
  9. 21. - Lowland between hills or mountains
  10. 23. - Natural cascade of water
  11. 24. - Natural underground hollow
  12. 25. - Dense, wooded area
Down
  1. 1. - Evening light descent
  2. 2. - Land surrounded by water
  3. 3. - Flowing watercourse
  4. 4. - Lush, biodiverse ecosystem
  5. 5. - Earth's elevated landform
  6. 7. - Morning light emergence
  7. 8. - Small, still water body
  8. 11. - Seaside sandy shore
  9. 14. - Massive ice formation
  10. 17. - Cascading natural wonder
  11. 19. - Open grassy field
  12. 20. - Erupting mountain
  13. 22. - Arid, sandy landscape