Cryptic crossword

123456789101112131415161718192021
Across
  1. 2. Backward river flows in silence (3)
  2. 4. Fancy event, sounds like “gallop” without "op" (4)
  3. 5. Scent that attracts a roaming sense (5)
  4. 7. Time to spin a tale of triumph (4)
  5. 11. Still water body with fish habitat (4)
  6. 12. Desert rest place, safe shelter (5)
  7. 13. Note, it's used in poetry or rhyme (5)
  8. 15. Guardian has strength to protect a bird (5)
  9. 16. Repeated sound returned to sender (4)
  10. 18. Inspiring leader takes charge, led by virtue (4)
  11. 19. Neat and tidy, in shape (4)
  12. 21. Tidy and clear, without mixed contents (4)
Down
  1. 1. Intense anger found in large fires (4)
  2. 3. Turning over a page of nature (4)
  3. 5. Craft a new act secretly (3)
  4. 6. Sea predator swims in orca pods (4)
  5. 8. Mixed ideas form a significant cultural place (5)
  6. 9. Reversed, he's a mess (3)
  7. 10. Boast to obtain a grand result (4)
  8. 11. Sounds like farewell to fruit (4)
  9. 12. Farm animals with excellent genes (4)
  10. 14. Pathway within, blood flows here (4)
  11. 17. Small clue to aid your thinking (4)
  12. 20. List of options in the dining hall (4)